64776760

素因数分解:

$2^3\times 5^1\times {\mathrm{1619419}}^1$

素因数の和:1619430

約数の個数: 16

約数和(自身を含む): 145747800

約数和(自身を除く): 80971040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1619419, 3238838, 6477676, 8097095, 12955352, 16194190, 32388380, 64776760]

約数ペア:

[(1, 64776760), (2, 32388380), (4, 16194190), (5, 12955352), (8, 8097095), (10, 6477676), (20, 3238838), (40, 1619419)]