1668045320

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{230393}}^1$

素因数の和:230585

約数の個数: 32

約数和(自身を含む): 3773853720

約数和(自身を除く): 2105808400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 230393, 460786, 921572, 1151965, 1843144, 2303930, 4607860, 9215720, 41701133, 83402266, 166804532, 208505665, 333609064, 417011330, 834022660, 1668045320]

約数ペア:

[(1, 1668045320), (2, 834022660), (4, 417011330), (5, 333609064), (8, 208505665), (10, 166804532), (20, 83402266), (40, 41701133), (181, 9215720), (362, 4607860), (724, 2303930), (905, 1843144), (1448, 1151965), (1810, 921572), (3620, 460786), (7240, 230393)]