52006728640

素因数分解:

$2^6\times 5^1\times {\mathrm{991}}^1\times {\mathrm{163997}}^1$

素因数の和:165005

約数の個数: 56

約数和(自身を含む): 123966744192

約数和(自身を除く): 71960015552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 991, 1982, 3964, 4955, 7928, 9910, 15856, 19820, 31712, 39640, 63424, 79280, 158560, 163997, 317120, 327994, 655988, 819985, 1311976, 1639970, 2623952, 3279940, 5247904, 6559880, 10495808, 13119760, 26239520, 52479040, 162521027, 325042054, 650084108, 812605135, 1300168216, 1625210270, 2600336432, 3250420540, 5200672864, 6500841080, 10401345728, 13001682160, 26003364320, 52006728640]

約数ペア:

[(1, 52006728640), (2, 26003364320), (4, 13001682160), (5, 10401345728), (8, 6500841080), (10, 5200672864), (16, 3250420540), (20, 2600336432), (32, 1625210270), (40, 1300168216), (64, 812605135), (80, 650084108), (160, 325042054), (320, 162521027), (991, 52479040), (1982, 26239520), (3964, 13119760), (4955, 10495808), (7928, 6559880), (9910, 5247904), (15856, 3279940), (19820, 2623952), (31712, 1639970), (39640, 1311976), (63424, 819985), (79280, 655988), (158560, 327994), (163997, 317120)]