55888400

素因数分解:

$2^4\times 5^2\times {\mathrm{139721}}^1$

素因数の和:139739

約数の個数: 30

約数和(自身を含む): 134272842

約数和(自身を除く): 78384442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 139721, 279442, 558884, 698605, 1117768, 1397210, 2235536, 2794420, 3493025, 5588840, 6986050, 11177680, 13972100, 27944200, 55888400]

約数ペア:

[(1, 55888400), (2, 27944200), (4, 13972100), (5, 11177680), (8, 6986050), (10, 5588840), (16, 3493025), (20, 2794420), (25, 2235536), (40, 1397210), (50, 1117768), (80, 698605), (100, 558884), (200, 279442), (400, 139721)]