25696220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 59222016

約数和(自身を除く): 33525796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 271, 431, 542, 862, 1084, 1355, 1724, 2155, 2710, 2981, 4310, 4741, 5420, 5962, 8620, 9482, 11924, 14905, 18964, 23705, 29810, 47410, 59620, 94820, 116801, 233602, 467204, 584005, 1168010, 1284811, 2336020, 2569622, 5139244, 6424055, 12848110, 25696220]

約数ペア:

[(1, 25696220), (2, 12848110), (4, 6424055), (5, 5139244), (10, 2569622), (11, 2336020), (20, 1284811), (22, 1168010), (44, 584005), (55, 467204), (110, 233602), (220, 116801), (271, 94820), (431, 59620), (542, 47410), (862, 29810), (1084, 23705), (1355, 18964), (1724, 14905), (2155, 11924), (2710, 9482), (2981, 8620), (4310, 5962), (4741, 5420)]