4894840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 11160000

約数和(自身を除く): 6265160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1549, 1580, 3098, 3160, 6196, 7745, 12392, 15490, 30980, 61960, 122371, 244742, 489484, 611855, 978968, 1223710, 2447420, 4894840]

約数ペア:

[(1, 4894840), (2, 2447420), (4, 1223710), (5, 978968), (8, 611855), (10, 489484), (20, 244742), (40, 122371), (79, 61960), (158, 30980), (316, 15490), (395, 12392), (632, 7745), (790, 6196), (1549, 3160), (1580, 3098)]