113172520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 260528400

約数和(自身を除く): 147355880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 109, 202, 218, 257, 404, 436, 505, 514, 545, 808, 872, 1010, 1028, 1090, 1285, 2020, 2056, 2180, 2570, 4040, 4360, 5140, 10280, 11009, 22018, 25957, 28013, 44036, 51914, 55045, 56026, 88072, 103828, 110090, 112052, 129785, 140065, 207656, 220180, 224104, 259570, 280130, 440360, 519140, 560260, 1038280, 1120520, 2829313, 5658626, 11317252, 14146565, 22634504, 28293130, 56586260, 113172520]

約数ペア:

[(1, 113172520), (2, 56586260), (4, 28293130), (5, 22634504), (8, 14146565), (10, 11317252), (20, 5658626), (40, 2829313), (101, 1120520), (109, 1038280), (202, 560260), (218, 519140), (257, 440360), (404, 280130), (436, 259570), (505, 224104), (514, 220180), (545, 207656), (808, 140065), (872, 129785), (1010, 112052), (1028, 110090), (1090, 103828), (1285, 88072), (2020, 56026), (2056, 55045), (2180, 51914), (2570, 44036), (4040, 28013), (4360, 25957), (5140, 22018), (10280, 11009)]