25997125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 42112512

約数和(自身を除く): 16115387

約数列:

[1, 5, 7, 11, 25, 35, 37, 55, 73, 77, 125, 175, 185, 259, 275, 365, 385, 407, 511, 803, 875, 925, 1295, 1375, 1825, 1925, 2035, 2555, 2701, 2849, 4015, 4625, 5621, 6475, 9125, 9625, 10175, 12775, 13505, 14245, 18907, 20075, 28105, 29711, 32375, 50875, 63875, 67525, 71225, 94535, 100375, 140525, 148555, 207977, 337625, 356125, 472675, 702625, 742775, 1039885, 2363375, 3713875, 5199425, 25997125]

約数ペア:

[(1, 25997125), (5, 5199425), (7, 3713875), (11, 2363375), (25, 1039885), (35, 742775), (37, 702625), (55, 472675), (73, 356125), (77, 337625), (125, 207977), (175, 148555), (185, 140525), (259, 100375), (275, 94535), (365, 71225), (385, 67525), (407, 63875), (511, 50875), (803, 32375), (875, 29711), (925, 28105), (1295, 20075), (1375, 18907), (1825, 14245), (1925, 13505), (2035, 12775), (2555, 10175), (2701, 9625), (2849, 9125), (4015, 6475), (4625, 5621)]