4401940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2473}}^1$

素因数の和:2571

約数の個数: 24

約数和(自身を含む): 9351720

約数和(自身を除く): 4949780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2473, 4946, 9892, 12365, 24730, 49460, 220097, 440194, 880388, 1100485, 2200970, 4401940]

約数ペア:

[(1, 4401940), (2, 2200970), (4, 1100485), (5, 880388), (10, 440194), (20, 220097), (89, 49460), (178, 24730), (356, 12365), (445, 9892), (890, 4946), (1780, 2473)]