4509040

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 10579680

約数和(自身を除く): 6070640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 359, 628, 718, 785, 1256, 1436, 1570, 1795, 2512, 2872, 3140, 3590, 5744, 6280, 7180, 12560, 14360, 28720, 56363, 112726, 225452, 281815, 450904, 563630, 901808, 1127260, 2254520, 4509040]

約数ペア:

[(1, 4509040), (2, 2254520), (4, 1127260), (5, 901808), (8, 563630), (10, 450904), (16, 281815), (20, 225452), (40, 112726), (80, 56363), (157, 28720), (314, 14360), (359, 12560), (628, 7180), (718, 6280), (785, 5744), (1256, 3590), (1436, 3140), (1570, 2872), (1795, 2512)]