4254640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4091}}^1$

素因数の和:4117

約数の個数: 40

約数和(自身を含む): 10655568

約数和(自身を除く): 6400928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 4091, 8182, 16364, 20455, 32728, 40910, 53183, 65456, 81820, 106366, 163640, 212732, 265915, 327280, 425464, 531830, 850928, 1063660, 2127320, 4254640]

約数ペア:

[(1, 4254640), (2, 2127320), (4, 1063660), (5, 850928), (8, 531830), (10, 425464), (13, 327280), (16, 265915), (20, 212732), (26, 163640), (40, 106366), (52, 81820), (65, 65456), (80, 53183), (104, 40910), (130, 32728), (208, 20455), (260, 16364), (520, 8182), (1040, 4091)]