78532640

素因数分解:

$2^5\times 5^1\times {\mathrm{490829}}^1$

素因数の和:490844

約数の個数: 24

約数和(自身を含む): 185533740

約数和(自身を除く): 107001100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 490829, 981658, 1963316, 2454145, 3926632, 4908290, 7853264, 9816580, 15706528, 19633160, 39266320, 78532640]

約数ペア:

[(1, 78532640), (2, 39266320), (4, 19633160), (5, 15706528), (8, 9816580), (10, 7853264), (16, 4908290), (20, 3926632), (32, 2454145), (40, 1963316), (80, 981658), (160, 490829)]