140796640

素因数分解:

$2^5\times 5^1\times {\mathrm{879979}}^1$

素因数の和:879994

約数の個数: 24

約数和(自身を含む): 332632440

約数和(自身を除く): 191835800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 879979, 1759958, 3519916, 4399895, 7039832, 8799790, 14079664, 17599580, 28159328, 35199160, 70398320, 140796640]

約数ペア:

[(1, 140796640), (2, 70398320), (4, 35199160), (5, 28159328), (8, 17599580), (10, 14079664), (16, 8799790), (20, 7039832), (32, 4399895), (40, 3519916), (80, 1759958), (160, 879979)]