25292420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 56548800

約数和(自身を除く): 31256380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 101, 190, 202, 380, 404, 505, 659, 1010, 1318, 1919, 2020, 2636, 3295, 3838, 6590, 7676, 9595, 12521, 13180, 19190, 25042, 38380, 50084, 62605, 66559, 125210, 133118, 250420, 266236, 332795, 665590, 1264621, 1331180, 2529242, 5058484, 6323105, 12646210, 25292420]

約数ペア:

[(1, 25292420), (2, 12646210), (4, 6323105), (5, 5058484), (10, 2529242), (19, 1331180), (20, 1264621), (38, 665590), (76, 332795), (95, 266236), (101, 250420), (190, 133118), (202, 125210), (380, 66559), (404, 62605), (505, 50084), (659, 38380), (1010, 25042), (1318, 19190), (1919, 13180), (2020, 12521), (2636, 9595), (3295, 7676), (3838, 6590)]