103131440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{11827}}^1$

素因数の和:11949

約数の個数: 40

約数和(自身を含む): 242000880

約数和(自身を除く): 138869440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 11827, 23654, 47308, 59135, 94616, 118270, 189232, 236540, 473080, 946160, 1289143, 2578286, 5156572, 6445715, 10313144, 12891430, 20626288, 25782860, 51565720, 103131440]

約数ペア:

[(1, 103131440), (2, 51565720), (4, 25782860), (5, 20626288), (8, 12891430), (10, 10313144), (16, 6445715), (20, 5156572), (40, 2578286), (80, 1289143), (109, 946160), (218, 473080), (436, 236540), (545, 189232), (872, 118270), (1090, 94616), (1744, 59135), (2180, 47308), (4360, 23654), (8720, 11827)]