25113320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15313}}^1$

素因数の和:15365

約数の個数: 32

約数和(自身を含む): 57886920

約数和(自身を除く): 32773600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 15313, 30626, 61252, 76565, 122504, 153130, 306260, 612520, 627833, 1255666, 2511332, 3139165, 5022664, 6278330, 12556660, 25113320]

約数ペア:

[(1, 25113320), (2, 12556660), (4, 6278330), (5, 5022664), (8, 3139165), (10, 2511332), (20, 1255666), (40, 627833), (41, 612520), (82, 306260), (164, 153130), (205, 122504), (328, 76565), (410, 61252), (820, 30626), (1640, 15313)]