198123680

素因数分解:

$2^5\times 5^1\times {\mathrm{1238273}}^1$

素因数の和:1238288

約数の個数: 24

約数和(自身を含む): 468067572

約数和(自身を除く): 269943892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1238273, 2476546, 4953092, 6191365, 9906184, 12382730, 19812368, 24765460, 39624736, 49530920, 99061840, 198123680]

約数ペア:

[(1, 198123680), (2, 99061840), (4, 49530920), (5, 39624736), (8, 24765460), (10, 19812368), (16, 12382730), (20, 9906184), (32, 6191365), (40, 4953092), (80, 2476546), (160, 1238273)]