61248020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1811}}^1$

素因数の和:1928

約数の個数: 48

約数和(自身を含む): 136987200

約数和(自身を除く): 75739180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 1811, 3382, 3622, 6764, 7244, 8455, 9055, 16910, 18110, 33820, 34409, 36220, 68818, 137636, 161179, 172045, 322358, 344090, 644716, 688180, 805895, 1611790, 3062401, 3223580, 6124802, 12249604, 15312005, 30624010, 61248020]

約数ペア:

[(1, 61248020), (2, 30624010), (4, 15312005), (5, 12249604), (10, 6124802), (19, 3223580), (20, 3062401), (38, 1611790), (76, 805895), (89, 688180), (95, 644716), (178, 344090), (190, 322358), (356, 172045), (380, 161179), (445, 137636), (890, 68818), (1691, 36220), (1780, 34409), (1811, 33820), (3382, 18110), (3622, 16910), (6764, 9055), (7244, 8455)]