1284231640

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{37463}}^1$

素因数の和:38331

約数の個数: 32

約数和(自身を含む): 2892970080

約数和(自身を除く): 1608738440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 3428, 4285, 6856, 8570, 17140, 34280, 37463, 74926, 149852, 187315, 299704, 374630, 749260, 1498520, 32105791, 64211582, 128423164, 160528955, 256846328, 321057910, 642115820, 1284231640]

約数ペア:

[(1, 1284231640), (2, 642115820), (4, 321057910), (5, 256846328), (8, 160528955), (10, 128423164), (20, 64211582), (40, 32105791), (857, 1498520), (1714, 749260), (3428, 374630), (4285, 299704), (6856, 187315), (8570, 149852), (17140, 74926), (34280, 37463)]