6405320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2027}}^1$

素因数の和:2117

約数の個数: 32

約数和(自身を含む): 14601600

約数和(自身を除く): 8196280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2027, 3160, 4054, 8108, 10135, 16216, 20270, 40540, 81080, 160133, 320266, 640532, 800665, 1281064, 1601330, 3202660, 6405320]

約数ペア:

[(1, 6405320), (2, 3202660), (4, 1601330), (5, 1281064), (8, 800665), (10, 640532), (20, 320266), (40, 160133), (79, 81080), (158, 40540), (316, 20270), (395, 16216), (632, 10135), (790, 8108), (1580, 4054), (2027, 3160)]