24840220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 55440000

約数和(自身を除く): 30599780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 499, 524, 655, 998, 1310, 1996, 2489, 2495, 2620, 4978, 4990, 9481, 9956, 9980, 12445, 18962, 24890, 37924, 47405, 49780, 65369, 94810, 130738, 189620, 261476, 326845, 653690, 1242011, 1307380, 2484022, 4968044, 6210055, 12420110, 24840220]

約数ペア:

[(1, 24840220), (2, 12420110), (4, 6210055), (5, 4968044), (10, 2484022), (19, 1307380), (20, 1242011), (38, 653690), (76, 326845), (95, 261476), (131, 189620), (190, 130738), (262, 94810), (380, 65369), (499, 49780), (524, 47405), (655, 37924), (998, 24890), (1310, 18962), (1996, 12445), (2489, 9980), (2495, 9956), (2620, 9481), (4978, 4990)]