80797990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88789}}^1$

素因数の和:88816

約数の個数: 32

約数和(自身を含む): 179000640

約数和(自身を除く): 98202650

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 88789, 177578, 443945, 621523, 887890, 1154257, 1243046, 2308514, 3107615, 5771285, 6215230, 8079799, 11542570, 16159598, 40398995, 80797990]

約数ペア:

[(1, 80797990), (2, 40398995), (5, 16159598), (7, 11542570), (10, 8079799), (13, 6215230), (14, 5771285), (26, 3107615), (35, 2308514), (65, 1243046), (70, 1154257), (91, 887890), (130, 621523), (182, 443945), (455, 177578), (910, 88789)]