77129240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{62201}}^1$

素因数の和:62243

約数の個数: 32

約数和(自身を含む): 179141760

約数和(自身を除く): 102012520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 62201, 124402, 248804, 311005, 497608, 622010, 1244020, 1928231, 2488040, 3856462, 7712924, 9641155, 15425848, 19282310, 38564620, 77129240]

約数ペア:

[(1, 77129240), (2, 38564620), (4, 19282310), (5, 15425848), (8, 9641155), (10, 7712924), (20, 3856462), (31, 2488040), (40, 1928231), (62, 1244020), (124, 622010), (155, 497608), (248, 311005), (310, 248804), (620, 124402), (1240, 62201)]