520880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1$

素因数の和:413

約数の個数: 40

約数和(自身を含む): 1285632

約数和(自身を除く): 764752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 383, 680, 766, 1360, 1532, 1915, 3064, 3830, 6128, 6511, 7660, 13022, 15320, 26044, 30640, 32555, 52088, 65110, 104176, 130220, 260440, 520880]

約数ペア:

[(1, 520880), (2, 260440), (4, 130220), (5, 104176), (8, 65110), (10, 52088), (16, 32555), (17, 30640), (20, 26044), (34, 15320), (40, 13022), (68, 7660), (80, 6511), (85, 6128), (136, 3830), (170, 3064), (272, 1915), (340, 1532), (383, 1360), (680, 766)]