80837890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67931}}^1$

素因数の和:67962

約数の個数: 32

約数和(自身を含む): 176079744

約数和(自身を除く): 95241854

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 67931, 135862, 339655, 475517, 679310, 951034, 1154827, 2309654, 2377585, 4755170, 5774135, 8083789, 11548270, 16167578, 40418945, 80837890]

約数ペア:

[(1, 80837890), (2, 40418945), (5, 16167578), (7, 11548270), (10, 8083789), (14, 5774135), (17, 4755170), (34, 2377585), (35, 2309654), (70, 1154827), (85, 951034), (119, 679310), (170, 475517), (238, 339655), (595, 135862), (1190, 67931)]