139996960

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21341}}^1$

素因数の和:21397

約数の個数: 48

約数和(自身を含む): 338825592

約数和(自身を除く): 198828632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 21341, 42682, 85364, 106705, 170728, 213410, 341456, 426820, 682912, 853640, 874981, 1707280, 1749962, 3414560, 3499924, 4374905, 6999848, 8749810, 13999696, 17499620, 27999392, 34999240, 69998480, 139996960]

約数ペア:

[(1, 139996960), (2, 69998480), (4, 34999240), (5, 27999392), (8, 17499620), (10, 13999696), (16, 8749810), (20, 6999848), (32, 4374905), (40, 3499924), (41, 3414560), (80, 1749962), (82, 1707280), (160, 874981), (164, 853640), (205, 682912), (328, 426820), (410, 341456), (656, 213410), (820, 170728), (1312, 106705), (1640, 85364), (3280, 42682), (6560, 21341)]