801628960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{455471}}^1$

素因数の和:455497

約数の個数: 48

約数和(自身を含む): 2066020992

約数和(自身を除く): 1264392032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 455471, 910942, 1821884, 2277355, 3643768, 4554710, 5010181, 7287536, 9109420, 10020362, 14575072, 18218840, 20040724, 25050905, 36437680, 40081448, 50101810, 72875360, 80162896, 100203620, 160325792, 200407240, 400814480, 801628960]

約数ペア:

[(1, 801628960), (2, 400814480), (4, 200407240), (5, 160325792), (8, 100203620), (10, 80162896), (11, 72875360), (16, 50101810), (20, 40081448), (22, 36437680), (32, 25050905), (40, 20040724), (44, 18218840), (55, 14575072), (80, 10020362), (88, 9109420), (110, 7287536), (160, 5010181), (176, 4554710), (220, 3643768), (352, 2277355), (440, 1821884), (880, 910942), (1760, 455471)]