9820400

素因数分解:

$2^4\times 5^2\times {\mathrm{24551}}^1$

素因数の和:24569

約数の個数: 30

約数和(自身を含む): 23594472

約数和(自身を除く): 13774072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 24551, 49102, 98204, 122755, 196408, 245510, 392816, 491020, 613775, 982040, 1227550, 1964080, 2455100, 4910200, 9820400]

約数ペア:

[(1, 9820400), (2, 4910200), (4, 2455100), (5, 1964080), (8, 1227550), (10, 982040), (16, 613775), (20, 491020), (25, 392816), (40, 245510), (50, 196408), (80, 122755), (100, 98204), (200, 49102), (400, 24551)]