2620331320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1597763}}^1$

素因数の和:1597815

約数の個数: 32

約数和(自身を含む): 6039547920

約数和(自身を除く): 3419216600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 1597763, 3195526, 6391052, 7988815, 12782104, 15977630, 31955260, 63910520, 65508283, 131016566, 262033132, 327541415, 524066264, 655082830, 1310165660, 2620331320]

約数ペア:

[(1, 2620331320), (2, 1310165660), (4, 655082830), (5, 524066264), (8, 327541415), (10, 262033132), (20, 131016566), (40, 65508283), (41, 63910520), (82, 31955260), (164, 15977630), (205, 12782104), (328, 7988815), (410, 6391052), (820, 3195526), (1640, 1597763)]