13399884440

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2055197}}^1$

素因数の和:2055371

約数の個数: 32

約数和(自身を含む): 30334722480

約数和(自身を除く): 16934838040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 2055197, 4110394, 8220788, 10275985, 16441576, 20551970, 41103940, 82207880, 334997111, 669994222, 1339988444, 1674985555, 2679976888, 3349971110, 6699942220, 13399884440]

約数ペア:

[(1, 13399884440), (2, 6699942220), (4, 3349971110), (5, 2679976888), (8, 1674985555), (10, 1339988444), (20, 669994222), (40, 334997111), (163, 82207880), (326, 41103940), (652, 20551970), (815, 16441576), (1304, 10275985), (1630, 8220788), (3260, 4110394), (6520, 2055197)]