45122800

素因数分解:

$2^4\times 5^2\times {\mathrm{112807}}^1$

素因数の和:112825

約数の個数: 30

約数和(自身を含む): 108408488

約数和(自身を除く): 63285688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 112807, 225614, 451228, 564035, 902456, 1128070, 1804912, 2256140, 2820175, 4512280, 5640350, 9024560, 11280700, 22561400, 45122800]

約数ペア:

[(1, 45122800), (2, 22561400), (4, 11280700), (5, 9024560), (8, 5640350), (10, 4512280), (16, 2820175), (20, 2256140), (25, 1804912), (40, 1128070), (50, 902456), (80, 564035), (100, 451228), (200, 225614), (400, 112807)]