1999858250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{615341}}^1$

素因数の和:615371

約数の個数: 32

約数和(自身を含む): 4031720784

約数和(自身を除く): 2031862534

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 615341, 1230682, 3076705, 6153410, 7999433, 15383525, 15998866, 30767050, 39997165, 76917625, 79994330, 153835250, 199985825, 399971650, 999929125, 1999858250]

約数ペア:

[(1, 1999858250), (2, 999929125), (5, 399971650), (10, 199985825), (13, 153835250), (25, 79994330), (26, 76917625), (50, 39997165), (65, 30767050), (125, 15998866), (130, 15383525), (250, 7999433), (325, 6153410), (650, 3076705), (1625, 1230682), (3250, 615341)]