79887040

素因数分解:

$2^6\times 5^1\times {\mathrm{249647}}^1$

素因数の和:249664

約数の個数: 28

約数和(自身を含む): 190231776

約数和(自身を除く): 110344736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 249647, 499294, 998588, 1248235, 1997176, 2496470, 3994352, 4992940, 7988704, 9985880, 15977408, 19971760, 39943520, 79887040]

約数ペア:

[(1, 79887040), (2, 39943520), (4, 19971760), (5, 15977408), (8, 9985880), (10, 7988704), (16, 4992940), (20, 3994352), (32, 2496470), (40, 1997176), (64, 1248235), (80, 998588), (160, 499294), (320, 249647)]