78341320

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{11321}}^1$

素因数の和:11505

約数の個数: 32

約数和(自身を含む): 177302520

約数和(自身を除く): 98961200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 11321, 22642, 45284, 56605, 90568, 113210, 226420, 452840, 1958533, 3917066, 7834132, 9792665, 15668264, 19585330, 39170660, 78341320]

約数ペア:

[(1, 78341320), (2, 39170660), (4, 19585330), (5, 15668264), (8, 9792665), (10, 7834132), (20, 3917066), (40, 1958533), (173, 452840), (346, 226420), (692, 113210), (865, 90568), (1384, 56605), (1730, 45284), (3460, 22642), (6920, 11321)]