4399160

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 10044000

約数和(自身を除く): 5644840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1549, 2840, 3098, 6196, 7745, 12392, 15490, 30980, 61960, 109979, 219958, 439916, 549895, 879832, 1099790, 2199580, 4399160]

約数ペア:

[(1, 4399160), (2, 2199580), (4, 1099790), (5, 879832), (8, 549895), (10, 439916), (20, 219958), (40, 109979), (71, 61960), (142, 30980), (284, 15490), (355, 12392), (568, 7745), (710, 6196), (1420, 3098), (1549, 2840)]