87368440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128483}}^1$

素因数の和:128511

約数の個数: 32

約数和(自身を含む): 208144080

約数和(自身を除く): 120775640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 128483, 256966, 513932, 642415, 1027864, 1284830, 2184211, 2569660, 4368422, 5139320, 8736844, 10921055, 17473688, 21842110, 43684220, 87368440]

約数ペア:

[(1, 87368440), (2, 43684220), (4, 21842110), (5, 17473688), (8, 10921055), (10, 8736844), (17, 5139320), (20, 4368422), (34, 2569660), (40, 2184211), (68, 1284830), (85, 1027864), (136, 642415), (170, 513932), (340, 256966), (680, 128483)]