4041320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 9227520

約数和(自身を除く): 5186200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 1423, 2840, 2846, 5692, 7115, 11384, 14230, 28460, 56920, 101033, 202066, 404132, 505165, 808264, 1010330, 2020660, 4041320]

約数ペア:

[(1, 4041320), (2, 2020660), (4, 1010330), (5, 808264), (8, 505165), (10, 404132), (20, 202066), (40, 101033), (71, 56920), (142, 28460), (284, 14230), (355, 11384), (568, 7115), (710, 5692), (1420, 2846), (1423, 2840)]