16135760

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1997}}^1$

素因数の和:2111

約数の個数: 40

約数和(自身を含む): 37906056

約数和(自身を除く): 21770296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 1997, 2020, 3994, 4040, 7988, 8080, 9985, 15976, 19970, 31952, 39940, 79880, 159760, 201697, 403394, 806788, 1008485, 1613576, 2016970, 3227152, 4033940, 8067880, 16135760]

約数ペア:

[(1, 16135760), (2, 8067880), (4, 4033940), (5, 3227152), (8, 2016970), (10, 1613576), (16, 1008485), (20, 806788), (40, 403394), (80, 201697), (101, 159760), (202, 79880), (404, 39940), (505, 31952), (808, 19970), (1010, 15976), (1616, 9985), (1997, 8080), (2020, 7988), (3994, 4040)]