25318960

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1657}}^1$

素因数の和:1861

約数の個数: 40

約数和(自身を含む): 59210496

約数和(自身を除く): 33891536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1657, 1910, 3056, 3314, 3820, 6628, 7640, 8285, 13256, 15280, 16570, 26512, 33140, 66280, 132560, 316487, 632974, 1265948, 1582435, 2531896, 3164870, 5063792, 6329740, 12659480, 25318960]

約数ペア:

[(1, 25318960), (2, 12659480), (4, 6329740), (5, 5063792), (8, 3164870), (10, 2531896), (16, 1582435), (20, 1265948), (40, 632974), (80, 316487), (191, 132560), (382, 66280), (764, 33140), (955, 26512), (1528, 16570), (1657, 15280), (1910, 13256), (3056, 8285), (3314, 7640), (3820, 6628)]