16111520

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1113

約数の個数: 48

約数和(自身を含む): 38478888

約数和(自身を除く): 22367368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 997, 1010, 1616, 1994, 2020, 3232, 3988, 4040, 4985, 7976, 8080, 9970, 15952, 16160, 19940, 31904, 39880, 79760, 100697, 159520, 201394, 402788, 503485, 805576, 1006970, 1611152, 2013940, 3222304, 4027880, 8055760, 16111520]

約数ペア:

[(1, 16111520), (2, 8055760), (4, 4027880), (5, 3222304), (8, 2013940), (10, 1611152), (16, 1006970), (20, 805576), (32, 503485), (40, 402788), (80, 201394), (101, 159520), (160, 100697), (202, 79760), (404, 39880), (505, 31904), (808, 19940), (997, 16160), (1010, 15952), (1616, 9970), (1994, 8080), (2020, 7976), (3232, 4985), (3988, 4040)]