40939640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{146213}}^1$

素因数の和:146231

約数の個数: 32

約数和(自身を含む): 105274080

約数和(自身を除く): 64334440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 146213, 292426, 584852, 731065, 1023491, 1169704, 1462130, 2046982, 2924260, 4093964, 5117455, 5848520, 8187928, 10234910, 20469820, 40939640]

約数ペア:

[(1, 40939640), (2, 20469820), (4, 10234910), (5, 8187928), (7, 5848520), (8, 5117455), (10, 4093964), (14, 2924260), (20, 2046982), (28, 1462130), (35, 1169704), (40, 1023491), (56, 731065), (70, 584852), (140, 292426), (280, 146213)]