25031960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10259}}^1$

素因数の和:10331

約数の個数: 32

約数和(自身を含む): 57250800

約数和(自身を除く): 32218840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 10259, 20518, 41036, 51295, 82072, 102590, 205180, 410360, 625799, 1251598, 2503196, 3128995, 5006392, 6257990, 12515980, 25031960]

約数ペア:

[(1, 25031960), (2, 12515980), (4, 6257990), (5, 5006392), (8, 3128995), (10, 2503196), (20, 1251598), (40, 625799), (61, 410360), (122, 205180), (244, 102590), (305, 82072), (488, 51295), (610, 41036), (1220, 20518), (2440, 10259)]