25209480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{499}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 75960000

約数和(自身を除く): 50750520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 499, 842, 998, 1263, 1497, 1684, 1996, 2105, 2495, 2526, 2994, 3368, 3992, 4210, 4990, 5052, 5988, 6315, 7485, 8420, 9980, 10104, 11976, 12630, 14970, 16840, 19960, 25260, 29940, 50520, 59880, 210079, 420158, 630237, 840316, 1050395, 1260474, 1680632, 2100790, 2520948, 3151185, 4201580, 5041896, 6302370, 8403160, 12604740, 25209480]

約数ペア:

[(1, 25209480), (2, 12604740), (3, 8403160), (4, 6302370), (5, 5041896), (6, 4201580), (8, 3151185), (10, 2520948), (12, 2100790), (15, 1680632), (20, 1260474), (24, 1050395), (30, 840316), (40, 630237), (60, 420158), (120, 210079), (421, 59880), (499, 50520), (842, 29940), (998, 25260), (1263, 19960), (1497, 16840), (1684, 14970), (1996, 12630), (2105, 11976), (2495, 10104), (2526, 9980), (2994, 8420), (3368, 7485), (3992, 6315), (4210, 5988), (4990, 5052)]