7985080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2243}}^1$

素因数の和:2343

約数の個数: 32

約数和(自身を含む): 18176400

約数和(自身を除く): 10191320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2243, 3560, 4486, 8972, 11215, 17944, 22430, 44860, 89720, 199627, 399254, 798508, 998135, 1597016, 1996270, 3992540, 7985080]

約数ペア:

[(1, 7985080), (2, 3992540), (4, 1996270), (5, 1597016), (8, 998135), (10, 798508), (20, 399254), (40, 199627), (89, 89720), (178, 44860), (356, 22430), (445, 17944), (712, 11215), (890, 8972), (1780, 4486), (2243, 3560)]