40180960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8101}}^1$

素因数の和:8147

約数の個数: 48

約数和(自身を含む): 98001792

約数和(自身を除く): 57820832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 8101, 16202, 32404, 40505, 64808, 81010, 129616, 162020, 251131, 259232, 324040, 502262, 648080, 1004524, 1255655, 1296160, 2009048, 2511310, 4018096, 5022620, 8036192, 10045240, 20090480, 40180960]

約数ペア:

[(1, 40180960), (2, 20090480), (4, 10045240), (5, 8036192), (8, 5022620), (10, 4018096), (16, 2511310), (20, 2009048), (31, 1296160), (32, 1255655), (40, 1004524), (62, 648080), (80, 502262), (124, 324040), (155, 259232), (160, 251131), (248, 162020), (310, 129616), (496, 81010), (620, 64808), (992, 40505), (1240, 32404), (2480, 16202), (4960, 8101)]