27551920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 43157840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 131, 176, 220, 239, 262, 440, 478, 524, 655, 880, 956, 1048, 1195, 1310, 1441, 1912, 2096, 2390, 2620, 2629, 2882, 3824, 4780, 5240, 5258, 5764, 7205, 9560, 10480, 10516, 11528, 13145, 14410, 19120, 21032, 23056, 26290, 28820, 31309, 42064, 52580, 57640, 62618, 105160, 115280, 125236, 156545, 210320, 250472, 313090, 344399, 500944, 626180, 688798, 1252360, 1377596, 1721995, 2504720, 2755192, 3443990, 5510384, 6887980, 13775960, 27551920]

約数ペア:

[(1, 27551920), (2, 13775960), (4, 6887980), (5, 5510384), (8, 3443990), (10, 2755192), (11, 2504720), (16, 1721995), (20, 1377596), (22, 1252360), (40, 688798), (44, 626180), (55, 500944), (80, 344399), (88, 313090), (110, 250472), (131, 210320), (176, 156545), (220, 125236), (239, 115280), (262, 105160), (440, 62618), (478, 57640), (524, 52580), (655, 42064), (880, 31309), (956, 28820), (1048, 26290), (1195, 23056), (1310, 21032), (1441, 19120), (1912, 14410), (2096, 13145), (2390, 11528), (2620, 10516), (2629, 10480), (2882, 9560), (3824, 7205), (4780, 5764), (5240, 5258)]