64787380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{11287}}^1$

素因数の和:11344

約数の個数: 48

約数和(自身を含む): 159296256

約数和(自身を除く): 94508876

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 11287, 22574, 45148, 56435, 79009, 112870, 158018, 225740, 316036, 395045, 462767, 790090, 925534, 1580180, 1851068, 2313835, 3239369, 4627670, 6478738, 9255340, 12957476, 16196845, 32393690, 64787380]

約数ペア:

[(1, 64787380), (2, 32393690), (4, 16196845), (5, 12957476), (7, 9255340), (10, 6478738), (14, 4627670), (20, 3239369), (28, 2313835), (35, 1851068), (41, 1580180), (70, 925534), (82, 790090), (140, 462767), (164, 395045), (205, 316036), (287, 225740), (410, 158018), (574, 112870), (820, 79009), (1148, 56435), (1435, 45148), (2870, 22574), (5740, 11287)]