40723360

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1279}}^1$

素因数の和:1493

約数の個数: 48

約数和(自身を含む): 96768000

約数和(自身を除く): 56044640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 995, 1279, 1592, 1990, 2558, 3184, 3980, 5116, 6368, 6395, 7960, 10232, 12790, 15920, 20464, 25580, 31840, 40928, 51160, 102320, 204640, 254521, 509042, 1018084, 1272605, 2036168, 2545210, 4072336, 5090420, 8144672, 10180840, 20361680, 40723360]

約数ペア:

[(1, 40723360), (2, 20361680), (4, 10180840), (5, 8144672), (8, 5090420), (10, 4072336), (16, 2545210), (20, 2036168), (32, 1272605), (40, 1018084), (80, 509042), (160, 254521), (199, 204640), (398, 102320), (796, 51160), (995, 40928), (1279, 31840), (1592, 25580), (1990, 20464), (2558, 15920), (3184, 12790), (3980, 10232), (5116, 7960), (6368, 6395)]