80361920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8101}}^1$

素因数の和:8149

約数の個数: 56

約数和(自身を含む): 197559168

約数和(自身を除く): 117197248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 8101, 9920, 16202, 32404, 40505, 64808, 81010, 129616, 162020, 251131, 259232, 324040, 502262, 518464, 648080, 1004524, 1255655, 1296160, 2009048, 2511310, 2592320, 4018096, 5022620, 8036192, 10045240, 16072384, 20090480, 40180960, 80361920]

約数ペア:

[(1, 80361920), (2, 40180960), (4, 20090480), (5, 16072384), (8, 10045240), (10, 8036192), (16, 5022620), (20, 4018096), (31, 2592320), (32, 2511310), (40, 2009048), (62, 1296160), (64, 1255655), (80, 1004524), (124, 648080), (155, 518464), (160, 502262), (248, 324040), (310, 259232), (320, 251131), (496, 162020), (620, 129616), (992, 81010), (1240, 64808), (1984, 40505), (2480, 32404), (4960, 16202), (8101, 9920)]