88280380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{541}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 191217600

約数和(自身を除く): 102937220

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 541, 796, 820, 995, 1082, 1990, 2164, 2705, 3980, 5410, 8159, 10820, 16318, 22181, 32636, 40795, 44362, 81590, 88724, 107659, 110905, 163180, 215318, 221810, 430636, 443620, 538295, 1076590, 2153180, 4414019, 8828038, 17656076, 22070095, 44140190, 88280380]

約数ペア:

[(1, 88280380), (2, 44140190), (4, 22070095), (5, 17656076), (10, 8828038), (20, 4414019), (41, 2153180), (82, 1076590), (164, 538295), (199, 443620), (205, 430636), (398, 221810), (410, 215318), (541, 163180), (796, 110905), (820, 107659), (995, 88724), (1082, 81590), (1990, 44362), (2164, 40795), (2705, 32636), (3980, 22181), (5410, 16318), (8159, 10820)]