71323640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29231}}^1$

素因数の和:29303

約数の個数: 32

約数和(自身を含む): 163114560

約数和(自身を除く): 91790920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 29231, 58462, 116924, 146155, 233848, 292310, 584620, 1169240, 1783091, 3566182, 7132364, 8915455, 14264728, 17830910, 35661820, 71323640]

約数ペア:

[(1, 71323640), (2, 35661820), (4, 17830910), (5, 14264728), (8, 8915455), (10, 7132364), (20, 3566182), (40, 1783091), (61, 1169240), (122, 584620), (244, 292310), (305, 233848), (488, 146155), (610, 116924), (1220, 58462), (2440, 29231)]