25510760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1567}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 64350720

約数和(自身を除く): 38839960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1480, 1567, 1628, 2035, 3134, 3256, 4070, 6268, 7835, 8140, 12536, 15670, 16280, 17237, 31340, 34474, 57979, 62680, 68948, 86185, 115958, 137896, 172370, 231916, 289895, 344740, 463832, 579790, 637769, 689480, 1159580, 1275538, 2319160, 2551076, 3188845, 5102152, 6377690, 12755380, 25510760]

約数ペア:

[(1, 25510760), (2, 12755380), (4, 6377690), (5, 5102152), (8, 3188845), (10, 2551076), (11, 2319160), (20, 1275538), (22, 1159580), (37, 689480), (40, 637769), (44, 579790), (55, 463832), (74, 344740), (88, 289895), (110, 231916), (148, 172370), (185, 137896), (220, 115958), (296, 86185), (370, 68948), (407, 62680), (440, 57979), (740, 34474), (814, 31340), (1480, 17237), (1567, 16280), (1628, 15670), (2035, 12536), (3134, 8140), (3256, 7835), (4070, 6268)]