5578520

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1567}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 12700800

約数和(自身を除く): 7122280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1567, 1780, 3134, 3560, 6268, 7835, 12536, 15670, 31340, 62680, 139463, 278926, 557852, 697315, 1115704, 1394630, 2789260, 5578520]

約数ペア:

[(1, 5578520), (2, 2789260), (4, 1394630), (5, 1115704), (8, 697315), (10, 557852), (20, 278926), (40, 139463), (89, 62680), (178, 31340), (356, 15670), (445, 12536), (712, 7835), (890, 6268), (1567, 3560), (1780, 3134)]