133712720

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{6659}}^1$

素因数の和:6923

約数の個数: 40

約数和(自身を含む): 312167520

約数和(自身を除く): 178454800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 6659, 10040, 13318, 20080, 26636, 33295, 53272, 66590, 106544, 133180, 266360, 532720, 1671409, 3342818, 6685636, 8357045, 13371272, 16714090, 26742544, 33428180, 66856360, 133712720]

約数ペア:

[(1, 133712720), (2, 66856360), (4, 33428180), (5, 26742544), (8, 16714090), (10, 13371272), (16, 8357045), (20, 6685636), (40, 3342818), (80, 1671409), (251, 532720), (502, 266360), (1004, 133180), (1255, 106544), (2008, 66590), (2510, 53272), (4016, 33295), (5020, 26636), (6659, 20080), (10040, 13318)]