12804908960

素因数分解:

$2^5\times 5^1\times {\mathrm{5011}}^1\times {\mathrm{15971}}^1$

素因数の和:20997

約数の個数: 48

約数和(自身を含む): 30259528992

約数和(自身を除く): 17454620032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 5011, 10022, 15971, 20044, 25055, 31942, 40088, 50110, 63884, 79855, 80176, 100220, 127768, 159710, 160352, 200440, 255536, 319420, 400880, 511072, 638840, 801760, 1277680, 2555360, 80030681, 160061362, 320122724, 400153405, 640245448, 800306810, 1280490896, 1600613620, 2560981792, 3201227240, 6402454480, 12804908960]

約数ペア:

[(1, 12804908960), (2, 6402454480), (4, 3201227240), (5, 2560981792), (8, 1600613620), (10, 1280490896), (16, 800306810), (20, 640245448), (32, 400153405), (40, 320122724), (80, 160061362), (160, 80030681), (5011, 2555360), (10022, 1277680), (15971, 801760), (20044, 638840), (25055, 511072), (31942, 400880), (40088, 319420), (50110, 255536), (63884, 200440), (79855, 160352), (80176, 159710), (100220, 127768)]