39743980

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{10979}}^1$

素因数の和:11169

約数の個数: 24

約数和(自身を含む): 83931120

約数和(自身を除く): 44187140

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 3620, 10979, 21958, 43916, 54895, 109790, 219580, 1987199, 3974398, 7948796, 9935995, 19871990, 39743980]

約数ペア:

[(1, 39743980), (2, 19871990), (4, 9935995), (5, 7948796), (10, 3974398), (20, 1987199), (181, 219580), (362, 109790), (724, 54895), (905, 43916), (1810, 21958), (3620, 10979)]