40913080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:185

約数の個数: 128

約数和(自身を含む): 107956800

約数和(自身を除く): 67043720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 41, 52, 65, 76, 82, 95, 101, 104, 130, 152, 164, 190, 202, 205, 247, 260, 328, 380, 404, 410, 494, 505, 520, 533, 760, 779, 808, 820, 988, 1010, 1066, 1235, 1313, 1558, 1640, 1919, 1976, 2020, 2132, 2470, 2626, 2665, 3116, 3838, 3895, 4040, 4141, 4264, 4940, 5252, 5330, 6232, 6565, 7676, 7790, 8282, 9595, 9880, 10127, 10504, 10660, 13130, 15352, 15580, 16564, 19190, 20254, 20705, 21320, 24947, 26260, 31160, 33128, 38380, 40508, 41410, 49894, 50635, 52520, 53833, 76760, 78679, 81016, 82820, 99788, 101270, 107666, 124735, 157358, 165640, 199576, 202540, 215332, 249470, 269165, 314716, 393395, 405080, 430664, 498940, 538330, 629432, 786790, 997880, 1022827, 1076660, 1573580, 2045654, 2153320, 3147160, 4091308, 5114135, 8182616, 10228270, 20456540, 40913080]

約数ペア:

[(1, 40913080), (2, 20456540), (4, 10228270), (5, 8182616), (8, 5114135), (10, 4091308), (13, 3147160), (19, 2153320), (20, 2045654), (26, 1573580), (38, 1076660), (40, 1022827), (41, 997880), (52, 786790), (65, 629432), (76, 538330), (82, 498940), (95, 430664), (101, 405080), (104, 393395), (130, 314716), (152, 269165), (164, 249470), (190, 215332), (202, 202540), (205, 199576), (247, 165640), (260, 157358), (328, 124735), (380, 107666), (404, 101270), (410, 99788), (494, 82820), (505, 81016), (520, 78679), (533, 76760), (760, 53833), (779, 52520), (808, 50635), (820, 49894), (988, 41410), (1010, 40508), (1066, 38380), (1235, 33128), (1313, 31160), (1558, 26260), (1640, 24947), (1919, 21320), (1976, 20705), (2020, 20254), (2132, 19190), (2470, 16564), (2626, 15580), (2665, 15352), (3116, 13130), (3838, 10660), (3895, 10504), (4040, 10127), (4141, 9880), (4264, 9595), (4940, 8282), (5252, 7790), (5330, 7676), (6232, 6565)]