15678516620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1283021}}^1$

素因数の和:1283090

約数の個数: 48

約数和(自身を含む): 36212012928

約数和(自身を除く): 20533496308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 1283021, 2566042, 5132084, 6415105, 12830210, 16679273, 25660420, 33358546, 60301987, 66717092, 83396365, 120603974, 166792730, 241207948, 301509935, 333585460, 603019870, 783925831, 1206039740, 1567851662, 3135703324, 3919629155, 7839258310, 15678516620]

約数ペア:

[(1, 15678516620), (2, 7839258310), (4, 3919629155), (5, 3135703324), (10, 1567851662), (13, 1206039740), (20, 783925831), (26, 603019870), (47, 333585460), (52, 301509935), (65, 241207948), (94, 166792730), (130, 120603974), (188, 83396365), (235, 66717092), (260, 60301987), (470, 33358546), (611, 25660420), (940, 16679273), (1222, 12830210), (2444, 6415105), (3055, 5132084), (6110, 2566042), (12220, 1283021)]