12664911160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{284989}}^1$

素因数の和:285112

約数の個数: 64

約数和(自身を含む): 31394498400

約数和(自身を除く): 18729587240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 2020, 2222, 4040, 4444, 5555, 8888, 11110, 22220, 44440, 284989, 569978, 1139956, 1424945, 2279912, 2849890, 3134879, 5699780, 6269758, 11399560, 12539516, 15674395, 25079032, 28783889, 31348790, 57567778, 62697580, 115135556, 125395160, 143919445, 230271112, 287838890, 316622779, 575677780, 633245558, 1151355560, 1266491116, 1583113895, 2532982232, 3166227790, 6332455580, 12664911160]

約数ペア:

[(1, 12664911160), (2, 6332455580), (4, 3166227790), (5, 2532982232), (8, 1583113895), (10, 1266491116), (11, 1151355560), (20, 633245558), (22, 575677780), (40, 316622779), (44, 287838890), (55, 230271112), (88, 143919445), (101, 125395160), (110, 115135556), (202, 62697580), (220, 57567778), (404, 31348790), (440, 28783889), (505, 25079032), (808, 15674395), (1010, 12539516), (1111, 11399560), (2020, 6269758), (2222, 5699780), (4040, 3134879), (4444, 2849890), (5555, 2279912), (8888, 1424945), (11110, 1139956), (22220, 569978), (44440, 284989)]