40242320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{12269}}^1$

素因数の和:12323

約数の個数: 40

約数和(自身を含む): 95853240

約数和(自身を除く): 55610920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 12269, 24538, 49076, 61345, 98152, 122690, 196304, 245380, 490760, 503029, 981520, 1006058, 2012116, 2515145, 4024232, 5030290, 8048464, 10060580, 20121160, 40242320]

約数ペア:

[(1, 40242320), (2, 20121160), (4, 10060580), (5, 8048464), (8, 5030290), (10, 4024232), (16, 2515145), (20, 2012116), (40, 1006058), (41, 981520), (80, 503029), (82, 490760), (164, 245380), (205, 196304), (328, 122690), (410, 98152), (656, 61345), (820, 49076), (1640, 24538), (3280, 12269)]