78031840

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6869}}^1$

素因数の和:6955

約数の個数: 48

約数和(自身を含む): 186973920

約数和(自身を除く): 108942080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 6869, 11360, 13738, 27476, 34345, 54952, 68690, 109904, 137380, 219808, 274760, 487699, 549520, 975398, 1099040, 1950796, 2438495, 3901592, 4876990, 7803184, 9753980, 15606368, 19507960, 39015920, 78031840]

約数ペア:

[(1, 78031840), (2, 39015920), (4, 19507960), (5, 15606368), (8, 9753980), (10, 7803184), (16, 4876990), (20, 3901592), (32, 2438495), (40, 1950796), (71, 1099040), (80, 975398), (142, 549520), (160, 487699), (284, 274760), (355, 219808), (568, 137380), (710, 109904), (1136, 68690), (1420, 54952), (2272, 34345), (2840, 27476), (5680, 13738), (6869, 11360)]