99153680

素因数分解:

$2^4\times 5^1\times {\mathrm{1239421}}^1$

素因数の和:1239434

約数の個数: 20

約数和(自身を含む): 230532492

約数和(自身を除く): 131378812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1239421, 2478842, 4957684, 6197105, 9915368, 12394210, 19830736, 24788420, 49576840, 99153680]

約数ペア:

[(1, 99153680), (2, 49576840), (4, 24788420), (5, 19830736), (8, 12394210), (10, 9915368), (16, 6197105), (20, 4957684), (40, 2478842), (80, 1239421)]