40339400

素因数分解:

$2^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2114

約数の個数: 48

約数和(自身を含む): 94765140

約数和(自身を除く): 54425740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 101, 200, 202, 404, 505, 808, 1010, 1997, 2020, 2525, 3994, 4040, 5050, 7988, 9985, 10100, 15976, 19970, 20200, 39940, 49925, 79880, 99850, 199700, 201697, 399400, 403394, 806788, 1008485, 1613576, 2016970, 4033940, 5042425, 8067880, 10084850, 20169700, 40339400]

約数ペア:

[(1, 40339400), (2, 20169700), (4, 10084850), (5, 8067880), (8, 5042425), (10, 4033940), (20, 2016970), (25, 1613576), (40, 1008485), (50, 806788), (100, 403394), (101, 399400), (200, 201697), (202, 199700), (404, 99850), (505, 79880), (808, 49925), (1010, 39940), (1997, 20200), (2020, 19970), (2525, 15976), (3994, 10100), (4040, 9985), (5050, 7988)]