87219080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167729}}^1$

素因数の和:167753

約数の個数: 32

約数和(自身を含む): 211339800

約数和(自身を除く): 124120720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 167729, 335458, 670916, 838645, 1341832, 1677290, 2180477, 3354580, 4360954, 6709160, 8721908, 10902385, 17443816, 21804770, 43609540, 87219080]

約数ペア:

[(1, 87219080), (2, 43609540), (4, 21804770), (5, 17443816), (8, 10902385), (10, 8721908), (13, 6709160), (20, 4360954), (26, 3354580), (40, 2180477), (52, 1677290), (65, 1341832), (104, 838645), (130, 670916), (260, 335458), (520, 167729)]