2008260080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{282059}}^1$

素因数の和:282161

約数の個数: 40

約数和(自身を含む): 4721684400

約数和(自身を除く): 2713424320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 282059, 564118, 1128236, 1410295, 2256472, 2820590, 4512944, 5641180, 11282360, 22564720, 25103251, 50206502, 100413004, 125516255, 200826008, 251032510, 401652016, 502065020, 1004130040, 2008260080]

約数ペア:

[(1, 2008260080), (2, 1004130040), (4, 502065020), (5, 401652016), (8, 251032510), (10, 200826008), (16, 125516255), (20, 100413004), (40, 50206502), (80, 25103251), (89, 22564720), (178, 11282360), (356, 5641180), (445, 4512944), (712, 2820590), (890, 2256472), (1424, 1410295), (1780, 1128236), (3560, 564118), (7120, 282059)]