25916600

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1283}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 60900120

約数和(自身を除く): 34983520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1283, 2020, 2525, 2566, 4040, 5050, 5132, 6415, 10100, 10264, 12830, 20200, 25660, 32075, 51320, 64150, 128300, 129583, 256600, 259166, 518332, 647915, 1036664, 1295830, 2591660, 3239575, 5183320, 6479150, 12958300, 25916600]

約数ペア:

[(1, 25916600), (2, 12958300), (4, 6479150), (5, 5183320), (8, 3239575), (10, 2591660), (20, 1295830), (25, 1036664), (40, 647915), (50, 518332), (100, 259166), (101, 256600), (200, 129583), (202, 128300), (404, 64150), (505, 51320), (808, 32075), (1010, 25660), (1283, 20200), (2020, 12830), (2525, 10264), (2566, 10100), (4040, 6415), (5050, 5132)]