16466840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31667}}^1$

素因数の和:31691

約数の個数: 32

約数和(自身を含む): 39901680

約数和(自身を除く): 23434840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 31667, 63334, 126668, 158335, 253336, 316670, 411671, 633340, 823342, 1266680, 1646684, 2058355, 3293368, 4116710, 8233420, 16466840]

約数ペア:

[(1, 16466840), (2, 8233420), (4, 4116710), (5, 3293368), (8, 2058355), (10, 1646684), (13, 1266680), (20, 823342), (26, 633340), (40, 411671), (52, 316670), (65, 253336), (104, 158335), (130, 126668), (260, 63334), (520, 31667)]