5268920

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 11944800

約数和(自身を除く): 6675880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 839, 1256, 1570, 1678, 3140, 3356, 4195, 6280, 6712, 8390, 16780, 33560, 131723, 263446, 526892, 658615, 1053784, 1317230, 2634460, 5268920]

約数ペア:

[(1, 5268920), (2, 2634460), (4, 1317230), (5, 1053784), (8, 658615), (10, 526892), (20, 263446), (40, 131723), (157, 33560), (314, 16780), (628, 8390), (785, 6712), (839, 6280), (1256, 4195), (1570, 3356), (1678, 3140)]