66691540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 145474560

約数和(自身を除く): 78783020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 263, 310, 409, 526, 620, 818, 1052, 1315, 1636, 2045, 2630, 4090, 5260, 8153, 8180, 12679, 16306, 25358, 32612, 40765, 50716, 63395, 81530, 107567, 126790, 163060, 215134, 253580, 430268, 537835, 1075670, 2151340, 3334577, 6669154, 13338308, 16672885, 33345770, 66691540]

約数ペア:

[(1, 66691540), (2, 33345770), (4, 16672885), (5, 13338308), (10, 6669154), (20, 3334577), (31, 2151340), (62, 1075670), (124, 537835), (155, 430268), (263, 253580), (310, 215134), (409, 163060), (526, 126790), (620, 107567), (818, 81530), (1052, 63395), (1315, 50716), (1636, 40765), (2045, 32612), (2630, 25358), (4090, 16306), (5260, 12679), (8153, 8180)]