87061540

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{12473}}^1$

素因数の和:12831

約数の個数: 24

約数和(自身を含む): 183367800

約数和(自身を除く): 96306260

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 3490, 6980, 12473, 24946, 49892, 62365, 124730, 249460, 4353077, 8706154, 17412308, 21765385, 43530770, 87061540]

約数ペア:

[(1, 87061540), (2, 43530770), (4, 21765385), (5, 17412308), (10, 8706154), (20, 4353077), (349, 249460), (698, 124730), (1396, 62365), (1745, 49892), (3490, 24946), (6980, 12473)]