42365560

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1637}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 95528160

約数和(自身を除く): 53162600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 1637, 2588, 3235, 3274, 5176, 6470, 6548, 8185, 12940, 13096, 16370, 25880, 32740, 65480, 1059139, 2118278, 4236556, 5295695, 8473112, 10591390, 21182780, 42365560]

約数ペア:

[(1, 42365560), (2, 21182780), (4, 10591390), (5, 8473112), (8, 5295695), (10, 4236556), (20, 2118278), (40, 1059139), (647, 65480), (1294, 32740), (1637, 25880), (2588, 16370), (3235, 13096), (3274, 12940), (5176, 8185), (6470, 6548)]