8337680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8017}}^1$

素因数の和:8043

約数の個数: 40

約数和(自身を含む): 20878872

約数和(自身を除く): 12541192

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8017, 16034, 32068, 40085, 64136, 80170, 104221, 128272, 160340, 208442, 320680, 416884, 521105, 641360, 833768, 1042210, 1667536, 2084420, 4168840, 8337680]

約数ペア:

[(1, 8337680), (2, 4168840), (4, 2084420), (5, 1667536), (8, 1042210), (10, 833768), (13, 641360), (16, 521105), (20, 416884), (26, 320680), (40, 208442), (52, 160340), (65, 128272), (80, 104221), (104, 80170), (130, 64136), (208, 40085), (260, 32068), (520, 16034), (1040, 8017)]