65750060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 142545312

約数和(自身を除く): 76795252

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 181, 205, 362, 410, 443, 724, 820, 886, 905, 1772, 1810, 2215, 3620, 4430, 7421, 8860, 14842, 18163, 29684, 36326, 37105, 72652, 74210, 80183, 90815, 148420, 160366, 181630, 320732, 363260, 400915, 801830, 1603660, 3287503, 6575006, 13150012, 16437515, 32875030, 65750060]

約数ペア:

[(1, 65750060), (2, 32875030), (4, 16437515), (5, 13150012), (10, 6575006), (20, 3287503), (41, 1603660), (82, 801830), (164, 400915), (181, 363260), (205, 320732), (362, 181630), (410, 160366), (443, 148420), (724, 90815), (820, 80183), (886, 74210), (905, 72652), (1772, 37105), (1810, 36326), (2215, 29684), (3620, 18163), (4430, 14842), (7421, 8860)]