78512080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18517}}^1$

素因数の和:18583

約数の個数: 40

約数和(自身を含む): 185994792

約数和(自身を除く): 107482712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 18517, 37034, 74068, 92585, 148136, 185170, 296272, 370340, 740680, 981401, 1481360, 1962802, 3925604, 4907005, 7851208, 9814010, 15702416, 19628020, 39256040, 78512080]

約数ペア:

[(1, 78512080), (2, 39256040), (4, 19628020), (5, 15702416), (8, 9814010), (10, 7851208), (16, 4907005), (20, 3925604), (40, 1962802), (53, 1481360), (80, 981401), (106, 740680), (212, 370340), (265, 296272), (424, 185170), (530, 148136), (848, 92585), (1060, 74068), (2120, 37034), (4240, 18517)]