326152040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{220373}}^1$

素因数の和:220421

約数の個数: 32

約数和(自身を含む): 753679080

約数和(自身を除く): 427527040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 220373, 440746, 881492, 1101865, 1762984, 2203730, 4407460, 8153801, 8814920, 16307602, 32615204, 40769005, 65230408, 81538010, 163076020, 326152040]

約数ペア:

[(1, 326152040), (2, 163076020), (4, 81538010), (5, 65230408), (8, 40769005), (10, 32615204), (20, 16307602), (37, 8814920), (40, 8153801), (74, 4407460), (148, 2203730), (185, 1762984), (296, 1101865), (370, 881492), (740, 440746), (1480, 220373)]