328696880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{52009}}^1$

素因数の和:52101

約数の個数: 40

約数和(自身を含む): 773908800

約数和(自身を除く): 445211920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 52009, 104018, 208036, 260045, 416072, 520090, 832144, 1040180, 2080360, 4108711, 4160720, 8217422, 16434844, 20543555, 32869688, 41087110, 65739376, 82174220, 164348440, 328696880]

約数ペア:

[(1, 328696880), (2, 164348440), (4, 82174220), (5, 65739376), (8, 41087110), (10, 32869688), (16, 20543555), (20, 16434844), (40, 8217422), (79, 4160720), (80, 4108711), (158, 2080360), (316, 1040180), (395, 832144), (632, 520090), (790, 416072), (1264, 260045), (1580, 208036), (3160, 104018), (6320, 52009)]