42019720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{15679}}^1$

素因数の和:15757

約数の個数: 32

約数和(自身を含む): 95961600

約数和(自身を除く): 53941880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 15679, 31358, 62716, 78395, 125432, 156790, 313580, 627160, 1050493, 2100986, 4201972, 5252465, 8403944, 10504930, 21009860, 42019720]

約数ペア:

[(1, 42019720), (2, 21009860), (4, 10504930), (5, 8403944), (8, 5252465), (10, 4201972), (20, 2100986), (40, 1050493), (67, 627160), (134, 313580), (268, 156790), (335, 125432), (536, 78395), (670, 62716), (1340, 31358), (2680, 15679)]