85215280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34361}}^1$

素因数の和:34405

約数の個数: 40

約数和(自身を含む): 204522624

約数和(自身を除く): 119307344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 34361, 68722, 137444, 171805, 274888, 343610, 549776, 687220, 1065191, 1374440, 2130382, 2748880, 4260764, 5325955, 8521528, 10651910, 17043056, 21303820, 42607640, 85215280]

約数ペア:

[(1, 85215280), (2, 42607640), (4, 21303820), (5, 17043056), (8, 10651910), (10, 8521528), (16, 5325955), (20, 4260764), (31, 2748880), (40, 2130382), (62, 1374440), (80, 1065191), (124, 687220), (155, 549776), (248, 343610), (310, 274888), (496, 171805), (620, 137444), (1240, 68722), (2480, 34361)]