267320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 619920

約数和(自身を除く): 352600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 163, 164, 205, 326, 328, 410, 652, 815, 820, 1304, 1630, 1640, 3260, 6520, 6683, 13366, 26732, 33415, 53464, 66830, 133660, 267320]

約数ペア:

[(1, 267320), (2, 133660), (4, 66830), (5, 53464), (8, 33415), (10, 26732), (20, 13366), (40, 6683), (41, 6520), (82, 3260), (163, 1640), (164, 1630), (205, 1304), (326, 820), (328, 815), (410, 652)]