131685320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1613}}^1$

素因数の和:1794

約数の個数: 64

約数和(自身を含む): 321315120

約数和(自身を除く): 189629800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 157, 260, 314, 520, 628, 785, 1256, 1570, 1613, 2041, 3140, 3226, 4082, 6280, 6452, 8065, 8164, 10205, 12904, 16130, 16328, 20410, 20969, 32260, 40820, 41938, 64520, 81640, 83876, 104845, 167752, 209690, 253241, 419380, 506482, 838760, 1012964, 1266205, 2025928, 2532410, 3292133, 5064820, 6584266, 10129640, 13168532, 16460665, 26337064, 32921330, 65842660, 131685320]

約数ペア:

[(1, 131685320), (2, 65842660), (4, 32921330), (5, 26337064), (8, 16460665), (10, 13168532), (13, 10129640), (20, 6584266), (26, 5064820), (40, 3292133), (52, 2532410), (65, 2025928), (104, 1266205), (130, 1012964), (157, 838760), (260, 506482), (314, 419380), (520, 253241), (628, 209690), (785, 167752), (1256, 104845), (1570, 83876), (1613, 81640), (2041, 64520), (3140, 41938), (3226, 40820), (4082, 32260), (6280, 20969), (6452, 20410), (8065, 16328), (8164, 16130), (10205, 12904)]