2542640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 6078480

約数和(自身を除く): 3535840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 859, 1480, 1718, 2960, 3436, 4295, 6872, 8590, 13744, 17180, 31783, 34360, 63566, 68720, 127132, 158915, 254264, 317830, 508528, 635660, 1271320, 2542640]

約数ペア:

[(1, 2542640), (2, 1271320), (4, 635660), (5, 508528), (8, 317830), (10, 254264), (16, 158915), (20, 127132), (37, 68720), (40, 63566), (74, 34360), (80, 31783), (148, 17180), (185, 13744), (296, 8590), (370, 6872), (592, 4295), (740, 3436), (859, 2960), (1480, 1718)]