51009160

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{1249}}^1$

素因数の和:2281

約数の個数: 32

約数和(自身を含む): 114975000

約数和(自身を除く): 63965840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 1249, 2042, 2498, 4084, 4996, 5105, 6245, 8168, 9992, 10210, 12490, 20420, 24980, 40840, 49960, 1275229, 2550458, 5100916, 6376145, 10201832, 12752290, 25504580, 51009160]

約数ペア:

[(1, 51009160), (2, 25504580), (4, 12752290), (5, 10201832), (8, 6376145), (10, 5100916), (20, 2550458), (40, 1275229), (1021, 49960), (1249, 40840), (2042, 24980), (2498, 20420), (4084, 12490), (4996, 10210), (5105, 9992), (6245, 8168)]