25291580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1019}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 57062880

約数和(自身を除く): 31771300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1019, 1241, 1460, 2038, 2482, 4076, 4964, 5095, 6205, 10190, 12410, 17323, 20380, 24820, 34646, 69292, 74387, 86615, 148774, 173230, 297548, 346460, 371935, 743870, 1264579, 1487740, 2529158, 5058316, 6322895, 12645790, 25291580]

約数ペア:

[(1, 25291580), (2, 12645790), (4, 6322895), (5, 5058316), (10, 2529158), (17, 1487740), (20, 1264579), (34, 743870), (68, 371935), (73, 346460), (85, 297548), (146, 173230), (170, 148774), (292, 86615), (340, 74387), (365, 69292), (730, 34646), (1019, 24820), (1241, 20380), (1460, 17323), (2038, 12410), (2482, 10190), (4076, 6205), (4964, 5095)]