5208980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1283}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 12942720

約数和(自身を除く): 7733740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 1283, 2030, 2566, 4060, 5132, 6415, 8981, 12830, 17962, 25660, 35924, 37207, 44905, 74414, 89810, 148828, 179620, 186035, 260449, 372070, 520898, 744140, 1041796, 1302245, 2604490, 5208980]

約数ペア:

[(1, 5208980), (2, 2604490), (4, 1302245), (5, 1041796), (7, 744140), (10, 520898), (14, 372070), (20, 260449), (28, 186035), (29, 179620), (35, 148828), (58, 89810), (70, 74414), (116, 44905), (140, 37207), (145, 35924), (203, 25660), (290, 17962), (406, 12830), (580, 8981), (812, 6415), (1015, 5132), (1283, 4060), (2030, 2566)]