12481360

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1753}}^1$

素因数の和:1855

約数の個数: 40

約数和(自身を含む): 29361960

約数和(自身を除く): 16880600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1753, 1780, 3506, 3560, 7012, 7120, 8765, 14024, 17530, 28048, 35060, 70120, 140240, 156017, 312034, 624068, 780085, 1248136, 1560170, 2496272, 3120340, 6240680, 12481360]

約数ペア:

[(1, 12481360), (2, 6240680), (4, 3120340), (5, 2496272), (8, 1560170), (10, 1248136), (16, 780085), (20, 624068), (40, 312034), (80, 156017), (89, 140240), (178, 70120), (356, 35060), (445, 28048), (712, 17530), (890, 14024), (1424, 8765), (1753, 7120), (1780, 7012), (3506, 3560)]