13775960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:392

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 20438440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 131, 220, 239, 262, 440, 478, 524, 655, 956, 1048, 1195, 1310, 1441, 1912, 2390, 2620, 2629, 2882, 4780, 5240, 5258, 5764, 7205, 9560, 10516, 11528, 13145, 14410, 21032, 26290, 28820, 31309, 52580, 57640, 62618, 105160, 125236, 156545, 250472, 313090, 344399, 626180, 688798, 1252360, 1377596, 1721995, 2755192, 3443990, 6887980, 13775960]

約数ペア:

[(1, 13775960), (2, 6887980), (4, 3443990), (5, 2755192), (8, 1721995), (10, 1377596), (11, 1252360), (20, 688798), (22, 626180), (40, 344399), (44, 313090), (55, 250472), (88, 156545), (110, 125236), (131, 105160), (220, 62618), (239, 57640), (262, 52580), (440, 31309), (478, 28820), (524, 26290), (655, 21032), (956, 14410), (1048, 13145), (1195, 11528), (1310, 10516), (1441, 9560), (1912, 7205), (2390, 5764), (2620, 5258), (2629, 5240), (2882, 4780)]