28020460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2293}}^1$

素因数の和:2362

約数の個数: 48

約数和(自身を含む): 64745856

約数和(自身を除く): 36725396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2293, 2444, 3055, 4586, 6110, 9172, 11465, 12220, 22930, 29809, 45860, 59618, 107771, 119236, 149045, 215542, 298090, 431084, 538855, 596180, 1077710, 1401023, 2155420, 2802046, 5604092, 7005115, 14010230, 28020460]

約数ペア:

[(1, 28020460), (2, 14010230), (4, 7005115), (5, 5604092), (10, 2802046), (13, 2155420), (20, 1401023), (26, 1077710), (47, 596180), (52, 538855), (65, 431084), (94, 298090), (130, 215542), (188, 149045), (235, 119236), (260, 107771), (470, 59618), (611, 45860), (940, 29809), (1222, 22930), (2293, 12220), (2444, 11465), (3055, 9172), (4586, 6110)]