38668120

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1693}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 87207120

約数和(自身を除く): 48539000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 1693, 2284, 2855, 3386, 4568, 5710, 6772, 8465, 11420, 13544, 16930, 22840, 33860, 67720, 966703, 1933406, 3866812, 4833515, 7733624, 9667030, 19334060, 38668120]

約数ペア:

[(1, 38668120), (2, 19334060), (4, 9667030), (5, 7733624), (8, 4833515), (10, 3866812), (20, 1933406), (40, 966703), (571, 67720), (1142, 33860), (1693, 22840), (2284, 16930), (2855, 13544), (3386, 11420), (4568, 8465), (5710, 6772)]