25700120

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{7741}}^1$

素因数の和:7835

約数の個数: 32

約数和(自身を含む): 58529520

約数和(自身を除く): 32829400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 7741, 15482, 30964, 38705, 61928, 77410, 154820, 309640, 642503, 1285006, 2570012, 3212515, 5140024, 6425030, 12850060, 25700120]

約数ペア:

[(1, 25700120), (2, 12850060), (4, 6425030), (5, 5140024), (8, 3212515), (10, 2570012), (20, 1285006), (40, 642503), (83, 309640), (166, 154820), (332, 77410), (415, 61928), (664, 38705), (830, 30964), (1660, 15482), (3320, 7741)]