40693720

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{2089}}^1$

素因数の和:2587

約数の個数: 32

約数和(自身を含む): 91792800

約数和(自身を除く): 51099080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2089, 2435, 3896, 4178, 4870, 8356, 9740, 10445, 16712, 19480, 20890, 41780, 83560, 1017343, 2034686, 4069372, 5086715, 8138744, 10173430, 20346860, 40693720]

約数ペア:

[(1, 40693720), (2, 20346860), (4, 10173430), (5, 8138744), (8, 5086715), (10, 4069372), (20, 2034686), (40, 1017343), (487, 83560), (974, 41780), (1948, 20890), (2089, 19480), (2435, 16712), (3896, 10445), (4178, 9740), (4870, 8356)]