25504180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 58063824

約数和(自身を除く): 32559644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 421, 466, 842, 932, 1165, 1684, 2105, 2330, 3029, 4210, 4660, 5473, 6058, 8420, 10946, 12116, 15145, 21892, 27365, 30290, 54730, 60580, 98093, 109460, 196186, 392372, 490465, 980930, 1275209, 1961860, 2550418, 5100836, 6376045, 12752090, 25504180]

約数ペア:

[(1, 25504180), (2, 12752090), (4, 6376045), (5, 5100836), (10, 2550418), (13, 1961860), (20, 1275209), (26, 980930), (52, 490465), (65, 392372), (130, 196186), (233, 109460), (260, 98093), (421, 60580), (466, 54730), (842, 30290), (932, 27365), (1165, 21892), (1684, 15145), (2105, 12116), (2330, 10946), (3029, 8420), (4210, 6058), (4660, 5473)]