86438820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110819}}^1$

素因数の和:110844

約数の個数: 48

約数和(自身を含む): 260648640

約数和(自身を除く): 174209820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 110819, 221638, 332457, 443276, 554095, 664914, 1108190, 1329828, 1440647, 1662285, 2216380, 2881294, 3324570, 4321941, 5762588, 6649140, 7203235, 8643882, 14406470, 17287764, 21609705, 28812940, 43219410, 86438820]

約数ペア:

[(1, 86438820), (2, 43219410), (3, 28812940), (4, 21609705), (5, 17287764), (6, 14406470), (10, 8643882), (12, 7203235), (13, 6649140), (15, 5762588), (20, 4321941), (26, 3324570), (30, 2881294), (39, 2216380), (52, 1662285), (60, 1440647), (65, 1329828), (78, 1108190), (130, 664914), (156, 554095), (195, 443276), (260, 332457), (390, 221638), (780, 110819)]