38566840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74167}}^1$

素因数の和:74191

約数の個数: 32

約数和(自身を含む): 93451680

約数和(自身を除く): 54884840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 74167, 148334, 296668, 370835, 593336, 741670, 964171, 1483340, 1928342, 2966680, 3856684, 4820855, 7713368, 9641710, 19283420, 38566840]

約数ペア:

[(1, 38566840), (2, 19283420), (4, 9641710), (5, 7713368), (8, 4820855), (10, 3856684), (13, 2966680), (20, 1928342), (26, 1483340), (40, 964171), (52, 741670), (65, 593336), (104, 370835), (130, 296668), (260, 148334), (520, 74167)]