40738090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1439}}^1$

素因数の和:1614

約数の個数: 32

約数和(自身を含む): 77760000

約数和(自身を除く): 37021910

約数列:

[1, 2, 5, 10, 19, 38, 95, 149, 190, 298, 745, 1439, 1490, 2831, 2878, 5662, 7195, 14155, 14390, 27341, 28310, 54682, 136705, 214411, 273410, 428822, 1072055, 2144110, 4073809, 8147618, 20369045, 40738090]

約数ペア:

[(1, 40738090), (2, 20369045), (5, 8147618), (10, 4073809), (19, 2144110), (38, 1072055), (95, 428822), (149, 273410), (190, 214411), (298, 136705), (745, 54682), (1439, 28310), (1490, 27341), (2831, 14390), (2878, 14155), (5662, 7195)]