260440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 622080

約数和(自身を除く): 361640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 383, 680, 766, 1532, 1915, 3064, 3830, 6511, 7660, 13022, 15320, 26044, 32555, 52088, 65110, 130220, 260440]

約数ペア:

[(1, 260440), (2, 130220), (4, 65110), (5, 52088), (8, 32555), (10, 26044), (17, 15320), (20, 13022), (34, 7660), (40, 6511), (68, 3830), (85, 3064), (136, 1915), (170, 1532), (340, 766), (383, 680)]