79942840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{117563}}^1$

素因数の和:117591

約数の個数: 32

約数和(自身を含む): 190453680

約数和(自身を除く): 110510840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 117563, 235126, 470252, 587815, 940504, 1175630, 1998571, 2351260, 3997142, 4702520, 7994284, 9992855, 15988568, 19985710, 39971420, 79942840]

約数ペア:

[(1, 79942840), (2, 39971420), (4, 19985710), (5, 15988568), (8, 9992855), (10, 7994284), (17, 4702520), (20, 3997142), (34, 2351260), (40, 1998571), (68, 1175630), (85, 940504), (136, 587815), (170, 470252), (340, 235126), (680, 117563)]