87294320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64187}}^1$

素因数の和:64217

約数の個数: 40

約数和(自身を含む): 214901424

約数和(自身を除く): 127607104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 64187, 128374, 256748, 320935, 513496, 641870, 1026992, 1091179, 1283740, 2182358, 2567480, 4364716, 5134960, 5455895, 8729432, 10911790, 17458864, 21823580, 43647160, 87294320]

約数ペア:

[(1, 87294320), (2, 43647160), (4, 21823580), (5, 17458864), (8, 10911790), (10, 8729432), (16, 5455895), (17, 5134960), (20, 4364716), (34, 2567480), (40, 2182358), (68, 1283740), (80, 1091179), (85, 1026992), (136, 641870), (170, 513496), (272, 320935), (340, 256748), (680, 128374), (1360, 64187)]