90636320

素因数分解:

$2^5\times 5^1\times {\mathrm{661}}^1\times {\mathrm{857}}^1$

素因数の和:1533

約数の個数: 48

約数和(自身を含む): 214702488

約数和(自身を除く): 124066168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 661, 857, 1322, 1714, 2644, 3305, 3428, 4285, 5288, 6610, 6856, 8570, 10576, 13220, 13712, 17140, 21152, 26440, 27424, 34280, 52880, 68560, 105760, 137120, 566477, 1132954, 2265908, 2832385, 4531816, 5664770, 9063632, 11329540, 18127264, 22659080, 45318160, 90636320]

約数ペア:

[(1, 90636320), (2, 45318160), (4, 22659080), (5, 18127264), (8, 11329540), (10, 9063632), (16, 5664770), (20, 4531816), (32, 2832385), (40, 2265908), (80, 1132954), (160, 566477), (661, 137120), (857, 105760), (1322, 68560), (1714, 52880), (2644, 34280), (3305, 27424), (3428, 26440), (4285, 21152), (5288, 17140), (6610, 13712), (6856, 13220), (8570, 10576)]