208605800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{80233}}^1$

素因数の和:80262

約数の個数: 48

約数和(自身を含む): 522323340

約数和(自身を除く): 313717540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 80233, 160466, 320932, 401165, 641864, 802330, 1043029, 1604660, 2005825, 2086058, 3209320, 4011650, 4172116, 5215145, 8023300, 8344232, 10430290, 16046600, 20860580, 26075725, 41721160, 52151450, 104302900, 208605800]

約数ペア:

[(1, 208605800), (2, 104302900), (4, 52151450), (5, 41721160), (8, 26075725), (10, 20860580), (13, 16046600), (20, 10430290), (25, 8344232), (26, 8023300), (40, 5215145), (50, 4172116), (52, 4011650), (65, 3209320), (100, 2086058), (104, 2005825), (130, 1604660), (200, 1043029), (260, 802330), (325, 641864), (520, 401165), (650, 320932), (1300, 160466), (2600, 80233)]