129576560

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4229}}^1$

素因数の和:4625

約数の個数: 40

約数和(自身を含む): 302123520

約数和(自身を除く): 172546960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 3064, 3830, 4229, 6128, 7660, 8458, 15320, 16916, 21145, 30640, 33832, 42290, 67664, 84580, 169160, 338320, 1619707, 3239414, 6478828, 8098535, 12957656, 16197070, 25915312, 32394140, 64788280, 129576560]

約数ペア:

[(1, 129576560), (2, 64788280), (4, 32394140), (5, 25915312), (8, 16197070), (10, 12957656), (16, 8098535), (20, 6478828), (40, 3239414), (80, 1619707), (383, 338320), (766, 169160), (1532, 84580), (1915, 67664), (3064, 42290), (3830, 33832), (4229, 30640), (6128, 21145), (7660, 16916), (8458, 15320)]