64607020

素因数分解:

$2^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{6977}}^1$

素因数の和:7449

約数の個数: 24

約数和(自身を含む): 135987264

約数和(自身を除く): 71380244

約数列:

[1, 2, 4, 5, 10, 20, 463, 926, 1852, 2315, 4630, 6977, 9260, 13954, 27908, 34885, 69770, 139540, 3230351, 6460702, 12921404, 16151755, 32303510, 64607020]

約数ペア:

[(1, 64607020), (2, 32303510), (4, 16151755), (5, 12921404), (10, 6460702), (20, 3230351), (463, 139540), (926, 69770), (1852, 34885), (2315, 27908), (4630, 13954), (6977, 9260)]