25566940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 65286144

約数和(自身を除く): 39719204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 62, 70, 86, 124, 137, 140, 155, 172, 215, 217, 274, 301, 310, 430, 434, 548, 602, 620, 685, 860, 868, 959, 1085, 1204, 1333, 1370, 1505, 1918, 2170, 2666, 2740, 3010, 3836, 4247, 4340, 4795, 5332, 5891, 6020, 6665, 8494, 9331, 9590, 11782, 13330, 16988, 18662, 19180, 21235, 23564, 26660, 29455, 29729, 37324, 41237, 42470, 46655, 58910, 59458, 82474, 84940, 93310, 117820, 118916, 148645, 164948, 182621, 186620, 206185, 297290, 365242, 412370, 594580, 730484, 824740, 913105, 1278347, 1826210, 2556694, 3652420, 5113388, 6391735, 12783470, 25566940]

約数ペア:

[(1, 25566940), (2, 12783470), (4, 6391735), (5, 5113388), (7, 3652420), (10, 2556694), (14, 1826210), (20, 1278347), (28, 913105), (31, 824740), (35, 730484), (43, 594580), (62, 412370), (70, 365242), (86, 297290), (124, 206185), (137, 186620), (140, 182621), (155, 164948), (172, 148645), (215, 118916), (217, 117820), (274, 93310), (301, 84940), (310, 82474), (430, 59458), (434, 58910), (548, 46655), (602, 42470), (620, 41237), (685, 37324), (860, 29729), (868, 29455), (959, 26660), (1085, 23564), (1204, 21235), (1333, 19180), (1370, 18662), (1505, 16988), (1918, 13330), (2170, 11782), (2666, 9590), (2740, 9331), (3010, 8494), (3836, 6665), (4247, 6020), (4340, 5891), (4795, 5332)]