207933520

素因数分解:

$2^4\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{2081}}^1$

素因数の和:3343

約数の個数: 40

約数和(自身を含む): 484065000

約数和(自身を除く): 276131480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1249, 2081, 2498, 4162, 4996, 6245, 8324, 9992, 10405, 12490, 16648, 19984, 20810, 24980, 33296, 41620, 49960, 83240, 99920, 166480, 2599169, 5198338, 10396676, 12995845, 20793352, 25991690, 41586704, 51983380, 103966760, 207933520]

約数ペア:

[(1, 207933520), (2, 103966760), (4, 51983380), (5, 41586704), (8, 25991690), (10, 20793352), (16, 12995845), (20, 10396676), (40, 5198338), (80, 2599169), (1249, 166480), (2081, 99920), (2498, 83240), (4162, 49960), (4996, 41620), (6245, 33296), (8324, 24980), (9992, 20810), (10405, 19984), (12490, 16648)]