90328400

素因数分解:

$2^4\times 5^2\times {\mathrm{225821}}^1$

素因数の和:225839

約数の個数: 30

約数和(自身を含む): 217014942

約数和(自身を除く): 126686542

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 225821, 451642, 903284, 1129105, 1806568, 2258210, 3613136, 4516420, 5645525, 9032840, 11291050, 18065680, 22582100, 45164200, 90328400]

約数ペア:

[(1, 90328400), (2, 45164200), (4, 22582100), (5, 18065680), (8, 11291050), (10, 9032840), (16, 5645525), (20, 4516420), (25, 3613136), (40, 2258210), (50, 1806568), (80, 1129105), (100, 903284), (200, 451642), (400, 225821)]