80376020

素因数分解:

$2^2\times 5^1\times {\mathrm{953}}^1\times {\mathrm{4217}}^1$

素因数の和:5179

約数の個数: 24

約数和(自身を含む): 169006824

約数和(自身を除く): 88630804

約数列:

[1, 2, 4, 5, 10, 20, 953, 1906, 3812, 4217, 4765, 8434, 9530, 16868, 19060, 21085, 42170, 84340, 4018801, 8037602, 16075204, 20094005, 40188010, 80376020]

約数ペア:

[(1, 80376020), (2, 40188010), (4, 20094005), (5, 16075204), (10, 8037602), (20, 4018801), (953, 84340), (1906, 42170), (3812, 21085), (4217, 19060), (4765, 16868), (8434, 9530)]