30902320

素因数分解:

$2^4\times 5^1\times {\mathrm{386279}}^1$

素因数の和:386292

約数の個数: 20

約数和(自身を含む): 71848080

約数和(自身を除く): 40945760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 386279, 772558, 1545116, 1931395, 3090232, 3862790, 6180464, 7725580, 15451160, 30902320]

約数ペア:

[(1, 30902320), (2, 15451160), (4, 7725580), (5, 6180464), (8, 3862790), (10, 3090232), (16, 1931395), (20, 1545116), (40, 772558), (80, 386279)]