2020100300

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{563}}^1\times {\mathrm{677}}^1$

素因数の和:1307

約数の個数: 72

約数和(自身を含む): 4480869456

約数和(自身を除く): 2460769156

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 563, 677, 1060, 1126, 1325, 1354, 2252, 2650, 2708, 2815, 3385, 5300, 5630, 6770, 11260, 13540, 14075, 16925, 28150, 29839, 33850, 35881, 56300, 59678, 67700, 71762, 119356, 143524, 149195, 179405, 298390, 358810, 381151, 596780, 717620, 745975, 762302, 897025, 1491950, 1524604, 1794050, 1905755, 2983900, 3588100, 3811510, 7623020, 9528775, 19057550, 20201003, 38115100, 40402006, 80804012, 101005015, 202010030, 404020060, 505025075, 1010050150, 2020100300]

約数ペア:

[(1, 2020100300), (2, 1010050150), (4, 505025075), (5, 404020060), (10, 202010030), (20, 101005015), (25, 80804012), (50, 40402006), (53, 38115100), (100, 20201003), (106, 19057550), (212, 9528775), (265, 7623020), (530, 3811510), (563, 3588100), (677, 2983900), (1060, 1905755), (1126, 1794050), (1325, 1524604), (1354, 1491950), (2252, 897025), (2650, 762302), (2708, 745975), (2815, 717620), (3385, 596780), (5300, 381151), (5630, 358810), (6770, 298390), (11260, 179405), (13540, 149195), (14075, 143524), (16925, 119356), (28150, 71762), (29839, 67700), (33850, 59678), (35881, 56300)]