69998480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21341}}^1$

素因数の和:21395

約数の個数: 40

約数和(自身を含む): 166723704

約数和(自身を除く): 96725224

約数列:

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

約数ペア:

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