101220740

素因数分解:

$2^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{5107}}^1$

素因数の和:6107

約数の個数: 24

約数和(自身を含む): 212819712

約数和(自身を除く): 111598972

約数列:

[1, 2, 4, 5, 10, 20, 991, 1982, 3964, 4955, 5107, 9910, 10214, 19820, 20428, 25535, 51070, 102140, 5061037, 10122074, 20244148, 25305185, 50610370, 101220740]

約数ペア:

[(1, 101220740), (2, 50610370), (4, 25305185), (5, 20244148), (10, 10122074), (20, 5061037), (991, 102140), (1982, 51070), (3964, 25535), (4955, 20428), (5107, 19820), (9910, 10214)]