25756780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 68060160

約数和(自身を除く): 42303380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 322, 380, 421, 437, 460, 532, 644, 665, 805, 842, 874, 1330, 1610, 1684, 1748, 2105, 2185, 2660, 2947, 3059, 3220, 4210, 4370, 5894, 6118, 7999, 8420, 8740, 9683, 11788, 12236, 14735, 15295, 15998, 19366, 29470, 30590, 31996, 38732, 39995, 48415, 55993, 58940, 61180, 67781, 79990, 96830, 111986, 135562, 159980, 183977, 193660, 223972, 271124, 279965, 338905, 367954, 559930, 677810, 735908, 919885, 1119860, 1287839, 1355620, 1839770, 2575678, 3679540, 5151356, 6439195, 12878390, 25756780]

約数ペア:

[(1, 25756780), (2, 12878390), (4, 6439195), (5, 5151356), (7, 3679540), (10, 2575678), (14, 1839770), (19, 1355620), (20, 1287839), (23, 1119860), (28, 919885), (35, 735908), (38, 677810), (46, 559930), (70, 367954), (76, 338905), (92, 279965), (95, 271124), (115, 223972), (133, 193660), (140, 183977), (161, 159980), (190, 135562), (230, 111986), (266, 96830), (322, 79990), (380, 67781), (421, 61180), (437, 58940), (460, 55993), (532, 48415), (644, 39995), (665, 38732), (805, 31996), (842, 30590), (874, 29470), (1330, 19366), (1610, 15998), (1684, 15295), (1748, 14735), (2105, 12236), (2185, 11788), (2660, 9683), (2947, 8740), (3059, 8420), (3220, 7999), (4210, 6118), (4370, 5894)]