90882800

素因数分解:

$2^4\times 5^2\times {\mathrm{227207}}^1$

素因数の和:227225

約数の個数: 30

約数和(自身を含む): 218346888

約数和(自身を除く): 127464088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 227207, 454414, 908828, 1136035, 1817656, 2272070, 3635312, 4544140, 5680175, 9088280, 11360350, 18176560, 22720700, 45441400, 90882800]

約数ペア:

[(1, 90882800), (2, 45441400), (4, 22720700), (5, 18176560), (8, 11360350), (10, 9088280), (16, 5680175), (20, 4544140), (25, 3635312), (40, 2272070), (50, 1817656), (80, 1136035), (100, 908828), (200, 454414), (400, 227207)]