131061320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2447}}^1$

素因数の和:2574

約数の個数: 64

約数和(自身を含む): 320785920

約数和(自身を除く): 189724600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 824, 1030, 1339, 2060, 2447, 2678, 4120, 4894, 5356, 6695, 9788, 10712, 12235, 13390, 19576, 24470, 26780, 31811, 48940, 53560, 63622, 97880, 127244, 159055, 252041, 254488, 318110, 504082, 636220, 1008164, 1260205, 1272440, 2016328, 2520410, 3276533, 5040820, 6553066, 10081640, 13106132, 16382665, 26212264, 32765330, 65530660, 131061320]

約数ペア:

[(1, 131061320), (2, 65530660), (4, 32765330), (5, 26212264), (8, 16382665), (10, 13106132), (13, 10081640), (20, 6553066), (26, 5040820), (40, 3276533), (52, 2520410), (65, 2016328), (103, 1272440), (104, 1260205), (130, 1008164), (206, 636220), (260, 504082), (412, 318110), (515, 254488), (520, 252041), (824, 159055), (1030, 127244), (1339, 97880), (2060, 63622), (2447, 53560), (2678, 48940), (4120, 31811), (4894, 26780), (5356, 24470), (6695, 19576), (9788, 13390), (10712, 12235)]