2581060

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 5870592

約数和(自身を除く): 3289532

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 181, 230, 310, 362, 460, 620, 713, 724, 905, 1426, 1810, 2852, 3565, 3620, 4163, 5611, 7130, 8326, 11222, 14260, 16652, 20815, 22444, 28055, 41630, 56110, 83260, 112220, 129053, 258106, 516212, 645265, 1290530, 2581060]

約数ペア:

[(1, 2581060), (2, 1290530), (4, 645265), (5, 516212), (10, 258106), (20, 129053), (23, 112220), (31, 83260), (46, 56110), (62, 41630), (92, 28055), (115, 22444), (124, 20815), (155, 16652), (181, 14260), (230, 11222), (310, 8326), (362, 7130), (460, 5611), (620, 4163), (713, 3620), (724, 3565), (905, 2852), (1426, 1810)]