25366923160

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1581479}}^1$

素因数の和:1581891

約数の個数: 32

約数和(自身を含む): 57217946400

約数和(自身を除く): 31851023240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 1581479, 3162958, 6325916, 7907395, 12651832, 15814790, 31629580, 63259160, 634173079, 1268346158, 2536692316, 3170865395, 5073384632, 6341730790, 12683461580, 25366923160]

約数ペア:

[(1, 25366923160), (2, 12683461580), (4, 6341730790), (5, 5073384632), (8, 3170865395), (10, 2536692316), (20, 1268346158), (40, 634173079), (401, 63259160), (802, 31629580), (1604, 15814790), (2005, 12651832), (3208, 7907395), (4010, 6325916), (8020, 3162958), (16040, 1581479)]