85186760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68699}}^1$

素因数の和:68741

約数の個数: 32

約数和(自身を含む): 197856000

約数和(自身を除く): 112669240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68699, 137398, 274796, 343495, 549592, 686990, 1373980, 2129669, 2747960, 4259338, 8518676, 10648345, 17037352, 21296690, 42593380, 85186760]

約数ペア:

[(1, 85186760), (2, 42593380), (4, 21296690), (5, 17037352), (8, 10648345), (10, 8518676), (20, 4259338), (31, 2747960), (40, 2129669), (62, 1373980), (124, 686990), (155, 549592), (248, 343495), (310, 274796), (620, 137398), (1240, 68699)]