8445184400

素因数分解:

$2^4\times 5^2\times {\mathrm{21112961}}^1$

素因数の和:21112979

約数の個数: 30

約数和(自身を含む): 20289556482

約数和(自身を除く): 11844372082

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 21112961, 42225922, 84451844, 105564805, 168903688, 211129610, 337807376, 422259220, 527824025, 844518440, 1055648050, 1689036880, 2111296100, 4222592200, 8445184400]

約数ペア:

[(1, 8445184400), (2, 4222592200), (4, 2111296100), (5, 1689036880), (8, 1055648050), (10, 844518440), (16, 527824025), (20, 422259220), (25, 337807376), (40, 211129610), (50, 168903688), (80, 105564805), (100, 84451844), (200, 42225922), (400, 21112961)]