856552040

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{53401}}^1$

素因数の和:53813

約数の個数: 32

約数和(自身を含む): 1932084360

約数和(自身を除く): 1075532320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 4010, 8020, 16040, 53401, 106802, 213604, 267005, 427208, 534010, 1068020, 2136040, 21413801, 42827602, 85655204, 107069005, 171310408, 214138010, 428276020, 856552040]

約数ペア:

[(1, 856552040), (2, 428276020), (4, 214138010), (5, 171310408), (8, 107069005), (10, 85655204), (20, 42827602), (40, 21413801), (401, 2136040), (802, 1068020), (1604, 534010), (2005, 427208), (3208, 267005), (4010, 213604), (8020, 106802), (16040, 53401)]