207128840

素因数分解:

$2^3\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{2593}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 466453080

約数和(自身を除く): 259324240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1997, 2593, 3994, 5186, 7988, 9985, 10372, 12965, 15976, 19970, 20744, 25930, 39940, 51860, 79880, 103720, 5178221, 10356442, 20712884, 25891105, 41425768, 51782210, 103564420, 207128840]

約数ペア:

[(1, 207128840), (2, 103564420), (4, 51782210), (5, 41425768), (8, 25891105), (10, 20712884), (20, 10356442), (40, 5178221), (1997, 103720), (2593, 79880), (3994, 51860), (5186, 39940), (7988, 25930), (9985, 20744), (10372, 19970), (12965, 15976)]