2052783160

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{127979}}^1$

素因数の和:128391

約数の個数: 32

約数和(自身を含む): 4630316400

約数和(自身を除く): 2577533240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 127979, 255958, 511916, 639895, 1023832, 1279790, 2559580, 5119160, 51319579, 102639158, 205278316, 256597895, 410556632, 513195790, 1026391580, 2052783160]

約数ペア:

[(1, 2052783160), (2, 1026391580), (4, 513195790), (5, 410556632), (8, 256597895), (10, 205278316), (20, 102639158), (40, 51319579), (401, 5119160), (802, 2559580), (1604, 1279790), (2005, 1023832), (3208, 639895), (4010, 511916), (8020, 255958), (16040, 127979)]