31352720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{55987}}^1$

素因数の和:56007

約数の個数: 40

約数和(自身を含む): 83310144

約数和(自身を除く): 51957424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 55987, 111974, 223948, 279935, 391909, 447896, 559870, 783818, 895792, 1119740, 1567636, 1959545, 2239480, 3135272, 3919090, 4478960, 6270544, 7838180, 15676360, 31352720]

約数ペア:

[(1, 31352720), (2, 15676360), (4, 7838180), (5, 6270544), (7, 4478960), (8, 3919090), (10, 3135272), (14, 2239480), (16, 1959545), (20, 1567636), (28, 1119740), (35, 895792), (40, 783818), (56, 559870), (70, 447896), (80, 391909), (112, 279935), (140, 223948), (280, 111974), (560, 55987)]