12992900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{3169}}^1$

素因数の和:3224

約数の個数: 36

約数和(自身を含む): 28891380

約数和(自身を除く): 15898480

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 3169, 4100, 6338, 12676, 15845, 31690, 63380, 79225, 129929, 158450, 259858, 316900, 519716, 649645, 1299290, 2598580, 3248225, 6496450, 12992900]

約数ペア:

[(1, 12992900), (2, 6496450), (4, 3248225), (5, 2598580), (10, 1299290), (20, 649645), (25, 519716), (41, 316900), (50, 259858), (82, 158450), (100, 129929), (164, 79225), (205, 63380), (410, 31690), (820, 15845), (1025, 12676), (2050, 6338), (3169, 4100)]