8644840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12713}}^1$

素因数の和:12741

約数の個数: 32

約数和(自身を含む): 20596680

約数和(自身を除く): 11951840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12713, 25426, 50852, 63565, 101704, 127130, 216121, 254260, 432242, 508520, 864484, 1080605, 1728968, 2161210, 4322420, 8644840]

約数ペア:

[(1, 8644840), (2, 4322420), (4, 2161210), (5, 1728968), (8, 1080605), (10, 864484), (17, 508520), (20, 432242), (34, 254260), (40, 216121), (68, 127130), (85, 101704), (136, 63565), (170, 50852), (340, 25426), (680, 12713)]