74790040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143827}}^1$

素因数の和:143851

約数の個数: 32

約数和(自身を含む): 181223280

約数和(自身を除く): 106433240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 143827, 287654, 575308, 719135, 1150616, 1438270, 1869751, 2876540, 3739502, 5753080, 7479004, 9348755, 14958008, 18697510, 37395020, 74790040]

約数ペア:

[(1, 74790040), (2, 37395020), (4, 18697510), (5, 14958008), (8, 9348755), (10, 7479004), (13, 5753080), (20, 3739502), (26, 2876540), (40, 1869751), (52, 1438270), (65, 1150616), (104, 719135), (130, 575308), (260, 287654), (520, 143827)]