208725100880

素因数分解:

$2^4\times 5^1\times {\mathrm{409}}^1\times {\mathrm{6379129}}^1$

素因数の和:6379551

約数の個数: 40

約数和(自身を含む): 486472453800

約数和(自身を除く): 277747352920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 16360, 32720, 6379129, 12758258, 25516516, 31895645, 51033032, 63791290, 102066064, 127582580, 255165160, 510330320, 2609063761, 5218127522, 10436255044, 13045318805, 20872510088, 26090637610, 41745020176, 52181275220, 104362550440, 208725100880]

約数ペア:

[(1, 208725100880), (2, 104362550440), (4, 52181275220), (5, 41745020176), (8, 26090637610), (10, 20872510088), (16, 13045318805), (20, 10436255044), (40, 5218127522), (80, 2609063761), (409, 510330320), (818, 255165160), (1636, 127582580), (2045, 102066064), (3272, 63791290), (4090, 51033032), (6544, 31895645), (8180, 25516516), (16360, 12758258), (32720, 6379129)]