81171040

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26701}}^1$

素因数の和:26735

約数の個数: 48

約数和(自身を含む): 201867120

約数和(自身を除く): 120696080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 26701, 53402, 106804, 133505, 213608, 267010, 427216, 507319, 534020, 854432, 1014638, 1068040, 2029276, 2136080, 2536595, 4058552, 4272160, 5073190, 8117104, 10146380, 16234208, 20292760, 40585520, 81171040]

約数ペア:

[(1, 81171040), (2, 40585520), (4, 20292760), (5, 16234208), (8, 10146380), (10, 8117104), (16, 5073190), (19, 4272160), (20, 4058552), (32, 2536595), (38, 2136080), (40, 2029276), (76, 1068040), (80, 1014638), (95, 854432), (152, 534020), (160, 507319), (190, 427216), (304, 267010), (380, 213608), (608, 133505), (760, 106804), (1520, 53402), (3040, 26701)]