25796775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 46048640

約数和(自身を除く): 20251865

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 421, 475, 645, 817, 1075, 1263, 1425, 2105, 2451, 3225, 4085, 6315, 7999, 10525, 12255, 18103, 20425, 23997, 31575, 39995, 54309, 61275, 90515, 119985, 199975, 271545, 343957, 452575, 599925, 1031871, 1357725, 1719785, 5159355, 8598925, 25796775]

約数ペア:

[(1, 25796775), (3, 8598925), (5, 5159355), (15, 1719785), (19, 1357725), (25, 1031871), (43, 599925), (57, 452575), (75, 343957), (95, 271545), (129, 199975), (215, 119985), (285, 90515), (421, 61275), (475, 54309), (645, 39995), (817, 31575), (1075, 23997), (1263, 20425), (1425, 18103), (2105, 12255), (2451, 10525), (3225, 7999), (4085, 6315)]