69901520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67213}}^1$

素因数の和:67239

約数の個数: 40

約数和(自身を含む): 175025256

約数和(自身を除く): 105123736

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 67213, 134426, 268852, 336065, 537704, 672130, 873769, 1075408, 1344260, 1747538, 2688520, 3495076, 4368845, 5377040, 6990152, 8737690, 13980304, 17475380, 34950760, 69901520]

約数ペア:

[(1, 69901520), (2, 34950760), (4, 17475380), (5, 13980304), (8, 8737690), (10, 6990152), (13, 5377040), (16, 4368845), (20, 3495076), (26, 2688520), (40, 1747538), (52, 1344260), (65, 1075408), (80, 873769), (104, 672130), (130, 537704), (208, 336065), (260, 268852), (520, 134426), (1040, 67213)]