54125740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{443}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 117482400

約数和(自身を除く): 63356660

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 149, 164, 205, 298, 410, 443, 596, 745, 820, 886, 1490, 1772, 2215, 2980, 4430, 6109, 8860, 12218, 18163, 24436, 30545, 36326, 61090, 66007, 72652, 90815, 122180, 132014, 181630, 264028, 330035, 363260, 660070, 1320140, 2706287, 5412574, 10825148, 13531435, 27062870, 54125740]

約数ペア:

[(1, 54125740), (2, 27062870), (4, 13531435), (5, 10825148), (10, 5412574), (20, 2706287), (41, 1320140), (82, 660070), (149, 363260), (164, 330035), (205, 264028), (298, 181630), (410, 132014), (443, 122180), (596, 90815), (745, 72652), (820, 66007), (886, 61090), (1490, 36326), (1772, 30545), (2215, 24436), (2980, 18163), (4430, 12218), (6109, 8860)]