11840560

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1663}}^1$

素因数の和:1765

約数の個数: 40

約数和(自身を含む): 27855360

約数和(自身を除く): 16014800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1663, 1780, 3326, 3560, 6652, 7120, 8315, 13304, 16630, 26608, 33260, 66520, 133040, 148007, 296014, 592028, 740035, 1184056, 1480070, 2368112, 2960140, 5920280, 11840560]

約数ペア:

[(1, 11840560), (2, 5920280), (4, 2960140), (5, 2368112), (8, 1480070), (10, 1184056), (16, 740035), (20, 592028), (40, 296014), (80, 148007), (89, 133040), (178, 66520), (356, 33260), (445, 26608), (712, 16630), (890, 13304), (1424, 8315), (1663, 7120), (1780, 6652), (3326, 3560)]