72256760

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44059}}^1$

素因数の和:44111

約数の個数: 32

約数和(自身を含む): 166546800

約数和(自身を除く): 94290040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44059, 88118, 176236, 220295, 352472, 440590, 881180, 1762360, 1806419, 3612838, 7225676, 9032095, 14451352, 18064190, 36128380, 72256760]

約数ペア:

[(1, 72256760), (2, 36128380), (4, 18064190), (5, 14451352), (8, 9032095), (10, 7225676), (20, 3612838), (40, 1806419), (41, 1762360), (82, 881180), (164, 440590), (205, 352472), (328, 220295), (410, 176236), (820, 88118), (1640, 44059)]