200966320

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{3919}}^1$

素因数の和:4573

約数の個数: 40

約数和(自身を含む): 468095040

約数和(自身を除く): 267128720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 3919, 5128, 6410, 7838, 10256, 12820, 15676, 19595, 25640, 31352, 39190, 51280, 62704, 78380, 156760, 313520, 2512079, 5024158, 10048316, 12560395, 20096632, 25120790, 40193264, 50241580, 100483160, 200966320]

約数ペア:

[(1, 200966320), (2, 100483160), (4, 50241580), (5, 40193264), (8, 25120790), (10, 20096632), (16, 12560395), (20, 10048316), (40, 5024158), (80, 2512079), (641, 313520), (1282, 156760), (2564, 78380), (3205, 62704), (3919, 51280), (5128, 39190), (6410, 31352), (7838, 25640), (10256, 19595), (12820, 15676)]