25427380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2819}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 59693760

約数和(自身を除く): 34266380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 2819, 4510, 5638, 9020, 11276, 14095, 28190, 31009, 56380, 62018, 115579, 124036, 155045, 231158, 310090, 462316, 577895, 620180, 1155790, 1271369, 2311580, 2542738, 5085476, 6356845, 12713690, 25427380]

約数ペア:

[(1, 25427380), (2, 12713690), (4, 6356845), (5, 5085476), (10, 2542738), (11, 2311580), (20, 1271369), (22, 1155790), (41, 620180), (44, 577895), (55, 462316), (82, 310090), (110, 231158), (164, 155045), (205, 124036), (220, 115579), (410, 62018), (451, 56380), (820, 31009), (902, 28190), (1804, 14095), (2255, 11276), (2819, 9020), (4510, 5638)]