16544840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31817}}^1$

素因数の和:31841

約数の個数: 32

約数和(自身を含む): 40090680

約数和(自身を除く): 23545840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 31817, 63634, 127268, 159085, 254536, 318170, 413621, 636340, 827242, 1272680, 1654484, 2068105, 3308968, 4136210, 8272420, 16544840]

約数ペア:

[(1, 16544840), (2, 8272420), (4, 4136210), (5, 3308968), (8, 2068105), (10, 1654484), (13, 1272680), (20, 827242), (26, 636340), (40, 413621), (52, 318170), (65, 254536), (104, 159085), (130, 127268), (260, 63634), (520, 31817)]