40492720

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7129}}^1$

素因数の和:7213

約数の個数: 40

約数和(自身を含む): 95484960

約数和(自身を除く): 54992240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 7129, 14258, 28516, 35645, 57032, 71290, 114064, 142580, 285160, 506159, 570320, 1012318, 2024636, 2530795, 4049272, 5061590, 8098544, 10123180, 20246360, 40492720]

約数ペア:

[(1, 40492720), (2, 20246360), (4, 10123180), (5, 8098544), (8, 5061590), (10, 4049272), (16, 2530795), (20, 2024636), (40, 1012318), (71, 570320), (80, 506159), (142, 285160), (284, 142580), (355, 114064), (568, 71290), (710, 57032), (1136, 35645), (1420, 28516), (2840, 14258), (5680, 7129)]