2526804580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{20681}}^1$

素因数の和:20880

約数の個数: 48

約数和(自身を含む): 5472457200

約数和(自身を除く): 2945652620

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 149, 164, 205, 298, 410, 596, 745, 820, 1490, 2980, 6109, 12218, 20681, 24436, 30545, 41362, 61090, 82724, 103405, 122180, 206810, 413620, 847921, 1695842, 3081469, 3391684, 4239605, 6162938, 8479210, 12325876, 15407345, 16958420, 30814690, 61629380, 126340229, 252680458, 505360916, 631701145, 1263402290, 2526804580]

約数ペア:

[(1, 2526804580), (2, 1263402290), (4, 631701145), (5, 505360916), (10, 252680458), (20, 126340229), (41, 61629380), (82, 30814690), (149, 16958420), (164, 15407345), (205, 12325876), (298, 8479210), (410, 6162938), (596, 4239605), (745, 3391684), (820, 3081469), (1490, 1695842), (2980, 847921), (6109, 413620), (12218, 206810), (20681, 122180), (24436, 103405), (30545, 82724), (41362, 61090)]