81960440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{34729}}^1$

素因数の和:34799

約数の個数: 32

約数和(自身を含む): 187542000

約数和(自身を除く): 105581560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 34729, 69458, 138916, 173645, 277832, 347290, 694580, 1389160, 2049011, 4098022, 8196044, 10245055, 16392088, 20490110, 40980220, 81960440]

約数ペア:

[(1, 81960440), (2, 40980220), (4, 20490110), (5, 16392088), (8, 10245055), (10, 8196044), (20, 4098022), (40, 2049011), (59, 1389160), (118, 694580), (236, 347290), (295, 277832), (472, 173645), (590, 138916), (1180, 69458), (2360, 34729)]