16067320

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2039}}^1$

素因数の和:2247

約数の個数: 32

約数和(自身を含む): 36352800

約数和(自身を除く): 20285480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2039, 3940, 4078, 7880, 8156, 10195, 16312, 20390, 40780, 81560, 401683, 803366, 1606732, 2008415, 3213464, 4016830, 8033660, 16067320]

約数ペア:

[(1, 16067320), (2, 8033660), (4, 4016830), (5, 3213464), (8, 2008415), (10, 1606732), (20, 803366), (40, 401683), (197, 81560), (394, 40780), (788, 20390), (985, 16312), (1576, 10195), (1970, 8156), (2039, 7880), (3940, 4078)]