22531240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6329}}^1$

素因数の和:6429

約数の個数: 32

約数和(自身を含む): 51273000

約数和(自身を除く): 28741760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 6329, 12658, 25316, 31645, 50632, 63290, 126580, 253160, 563281, 1126562, 2253124, 2816405, 4506248, 5632810, 11265620, 22531240]

約数ペア:

[(1, 22531240), (2, 11265620), (4, 5632810), (5, 4506248), (8, 2816405), (10, 2253124), (20, 1126562), (40, 563281), (89, 253160), (178, 126580), (356, 63290), (445, 50632), (712, 31645), (890, 25316), (1780, 12658), (3560, 6329)]