25857010920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{21061}}^1$

素因数の和:21875

約数の個数: 128

約数和(自身を含む): 83648154240

約数和(自身を除く): 57791143320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 787, 1560, 1574, 2361, 3148, 3935, 4722, 6296, 7870, 9444, 10231, 11805, 15740, 18888, 20462, 21061, 23610, 30693, 31480, 40924, 42122, 47220, 51155, 61386, 63183, 81848, 84244, 94440, 102310, 105305, 122772, 126366, 153465, 168488, 204620, 210610, 245544, 252732, 273793, 306930, 315915, 409240, 421220, 505464, 547586, 613860, 631830, 821379, 842440, 1095172, 1227720, 1263660, 1368965, 1642758, 2190344, 2527320, 2737930, 3285516, 4106895, 5475860, 6571032, 8213790, 10951720, 16427580, 16575007, 32855160, 33150014, 49725021, 66300028, 82875035, 99450042, 132600056, 165750070, 198900084, 215475091, 248625105, 331500140, 397800168, 430950182, 497250210, 646425273, 663000280, 861900364, 994500420, 1077375455, 1292850546, 1723800728, 1989000840, 2154750910, 2585701092, 3232126365, 4309501820, 5171402184, 6464252730, 8619003640, 12928505460, 25857010920]

約数ペア:

[(1, 25857010920), (2, 12928505460), (3, 8619003640), (4, 6464252730), (5, 5171402184), (6, 4309501820), (8, 3232126365), (10, 2585701092), (12, 2154750910), (13, 1989000840), (15, 1723800728), (20, 1292850546), (24, 1077375455), (26, 994500420), (30, 861900364), (39, 663000280), (40, 646425273), (52, 497250210), (60, 430950182), (65, 397800168), (78, 331500140), (104, 248625105), (120, 215475091), (130, 198900084), (156, 165750070), (195, 132600056), (260, 99450042), (312, 82875035), (390, 66300028), (520, 49725021), (780, 33150014), (787, 32855160), (1560, 16575007), (1574, 16427580), (2361, 10951720), (3148, 8213790), (3935, 6571032), (4722, 5475860), (6296, 4106895), (7870, 3285516), (9444, 2737930), (10231, 2527320), (11805, 2190344), (15740, 1642758), (18888, 1368965), (20462, 1263660), (21061, 1227720), (23610, 1095172), (30693, 842440), (31480, 821379), (40924, 631830), (42122, 613860), (47220, 547586), (51155, 505464), (61386, 421220), (63183, 409240), (81848, 315915), (84244, 306930), (94440, 273793), (102310, 252732), (105305, 245544), (122772, 210610), (126366, 204620), (153465, 168488)]