53621720

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3343}}^1$

素因数の和:3755

約数の個数: 32

約数和(自身を含む): 120985920

約数和(自身を除く): 67364200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 1604, 2005, 3208, 3343, 4010, 6686, 8020, 13372, 16040, 16715, 26744, 33430, 66860, 133720, 1340543, 2681086, 5362172, 6702715, 10724344, 13405430, 26810860, 53621720]

約数ペア:

[(1, 53621720), (2, 26810860), (4, 13405430), (5, 10724344), (8, 6702715), (10, 5362172), (20, 2681086), (40, 1340543), (401, 133720), (802, 66860), (1604, 33430), (2005, 26744), (3208, 16715), (3343, 16040), (4010, 13372), (6686, 8020)]