8054840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2549}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 18360000

約数和(自身を除く): 10305160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2549, 3160, 5098, 10196, 12745, 20392, 25490, 50980, 101960, 201371, 402742, 805484, 1006855, 1610968, 2013710, 4027420, 8054840]

約数ペア:

[(1, 8054840), (2, 4027420), (4, 2013710), (5, 1610968), (8, 1006855), (10, 805484), (20, 402742), (40, 201371), (79, 101960), (158, 50980), (316, 25490), (395, 20392), (632, 12745), (790, 10196), (1580, 5098), (2549, 3160)]