39970160

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 97708032

約数和(自身を除く): 57737872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 71, 80, 124, 142, 155, 227, 248, 284, 310, 355, 454, 496, 568, 620, 710, 908, 1135, 1136, 1240, 1420, 1816, 2201, 2270, 2480, 2840, 3632, 4402, 4540, 5680, 7037, 8804, 9080, 11005, 14074, 16117, 17608, 18160, 22010, 28148, 32234, 35185, 35216, 44020, 56296, 64468, 70370, 80585, 88040, 112592, 128936, 140740, 161170, 176080, 257872, 281480, 322340, 499627, 562960, 644680, 999254, 1289360, 1998508, 2498135, 3997016, 4996270, 7994032, 9992540, 19985080, 39970160]

約数ペア:

[(1, 39970160), (2, 19985080), (4, 9992540), (5, 7994032), (8, 4996270), (10, 3997016), (16, 2498135), (20, 1998508), (31, 1289360), (40, 999254), (62, 644680), (71, 562960), (80, 499627), (124, 322340), (142, 281480), (155, 257872), (227, 176080), (248, 161170), (284, 140740), (310, 128936), (355, 112592), (454, 88040), (496, 80585), (568, 70370), (620, 64468), (710, 56296), (908, 44020), (1135, 35216), (1136, 35185), (1240, 32234), (1420, 28148), (1816, 22010), (2201, 18160), (2270, 17608), (2480, 16117), (2840, 14074), (3632, 11005), (4402, 9080), (4540, 8804), (5680, 7037)]