38807320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23663}}^1$

素因数の和:23715

約数の個数: 32

約数和(自身を含む): 89449920

約数和(自身を除く): 50642600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 23663, 47326, 94652, 118315, 189304, 236630, 473260, 946520, 970183, 1940366, 3880732, 4850915, 7761464, 9701830, 19403660, 38807320]

約数ペア:

[(1, 38807320), (2, 19403660), (4, 9701830), (5, 7761464), (8, 4850915), (10, 3880732), (20, 1940366), (40, 970183), (41, 946520), (82, 473260), (164, 236630), (205, 189304), (328, 118315), (410, 94652), (820, 47326), (1640, 23663)]