128460460

素因数分解:

$2^2\times 5^1\times {\mathrm{797}}^1\times {\mathrm{8059}}^1$

素因数の和:8865

約数の個数: 24

約数和(自身を含む): 270138960

約数和(自身を除く): 141678500

約数列:

[1, 2, 4, 5, 10, 20, 797, 1594, 3188, 3985, 7970, 8059, 15940, 16118, 32236, 40295, 80590, 161180, 6423023, 12846046, 25692092, 32115115, 64230230, 128460460]

約数ペア:

[(1, 128460460), (2, 64230230), (4, 32115115), (5, 25692092), (10, 12846046), (20, 6423023), (797, 161180), (1594, 80590), (3188, 40295), (3985, 32236), (7970, 16118), (8059, 15940)]