26961280

素因数分解:

$2^7\times 5^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 65239200

約数和(自身を除く): 38277920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 320, 409, 412, 515, 640, 818, 824, 1030, 1636, 1648, 2045, 2060, 3272, 3296, 4090, 4120, 6544, 6592, 8180, 8240, 13088, 13184, 16360, 16480, 26176, 32720, 32960, 42127, 52352, 65440, 65920, 84254, 130880, 168508, 210635, 261760, 337016, 421270, 674032, 842540, 1348064, 1685080, 2696128, 3370160, 5392256, 6740320, 13480640, 26961280]

約数ペア:

[(1, 26961280), (2, 13480640), (4, 6740320), (5, 5392256), (8, 3370160), (10, 2696128), (16, 1685080), (20, 1348064), (32, 842540), (40, 674032), (64, 421270), (80, 337016), (103, 261760), (128, 210635), (160, 168508), (206, 130880), (320, 84254), (409, 65920), (412, 65440), (515, 52352), (640, 42127), (818, 32960), (824, 32720), (1030, 26176), (1636, 16480), (1648, 16360), (2045, 13184), (2060, 13088), (3272, 8240), (3296, 8180), (4090, 6592), (4120, 6544)]