203419120

素因数分解:

$2^4\times 5^1\times {\mathrm{2542739}}^1$

素因数の和:2542752

約数の個数: 20

約数和(自身を含む): 472949640

約数和(自身を除く): 269530520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2542739, 5085478, 10170956, 12713695, 20341912, 25427390, 40683824, 50854780, 101709560, 203419120]

約数ペア:

[(1, 203419120), (2, 101709560), (4, 50854780), (5, 40683824), (8, 25427390), (10, 20341912), (16, 12713695), (20, 10170956), (40, 5085478), (80, 2542739)]