61521640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90473}}^1$

素因数の和:90501

約数の個数: 32

約数和(自身を含む): 146567880

約数和(自身を除く): 85046240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 90473, 180946, 361892, 452365, 723784, 904730, 1538041, 1809460, 3076082, 3618920, 6152164, 7690205, 12304328, 15380410, 30760820, 61521640]

約数ペア:

[(1, 61521640), (2, 30760820), (4, 15380410), (5, 12304328), (8, 7690205), (10, 6152164), (17, 3618920), (20, 3076082), (34, 1809460), (40, 1538041), (68, 904730), (85, 723784), (136, 452365), (170, 361892), (340, 180946), (680, 90473)]