40352720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8269}}^1$

素因数の和:8343

約数の個数: 40

約数和(自身を含む): 95369640

約数和(自身を除く): 55016920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 8269, 16538, 33076, 41345, 66152, 82690, 132304, 165380, 330760, 504409, 661520, 1008818, 2017636, 2522045, 4035272, 5044090, 8070544, 10088180, 20176360, 40352720]

約数ペア:

[(1, 40352720), (2, 20176360), (4, 10088180), (5, 8070544), (8, 5044090), (10, 4035272), (16, 2522045), (20, 2017636), (40, 1008818), (61, 661520), (80, 504409), (122, 330760), (244, 165380), (305, 132304), (488, 82690), (610, 66152), (976, 41345), (1220, 33076), (2440, 16538), (4880, 8269)]