79449680

素因数分解:

$2^4\times 5^1\times {\mathrm{993121}}^1$

素因数の和:993134

約数の個数: 20

約数和(自身を含む): 184720692

約数和(自身を除く): 105271012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 993121, 1986242, 3972484, 4965605, 7944968, 9931210, 15889936, 19862420, 39724840, 79449680]

約数ペア:

[(1, 79449680), (2, 39724840), (4, 19862420), (5, 15889936), (8, 9931210), (10, 7944968), (16, 4965605), (20, 3972484), (40, 1986242), (80, 993121)]