66643280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{75731}}^1$

素因数の和:75755

約数の個数: 40

約数和(自身を含む): 169033824

約数和(自身を除く): 102390544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 75731, 151462, 302924, 378655, 605848, 757310, 833041, 1211696, 1514620, 1666082, 3029240, 3332164, 4165205, 6058480, 6664328, 8330410, 13328656, 16660820, 33321640, 66643280]

約数ペア:

[(1, 66643280), (2, 33321640), (4, 16660820), (5, 13328656), (8, 8330410), (10, 6664328), (11, 6058480), (16, 4165205), (20, 3332164), (22, 3029240), (40, 1666082), (44, 1514620), (55, 1211696), (80, 833041), (88, 757310), (110, 605848), (176, 378655), (220, 302924), (440, 151462), (880, 75731)]