28974580

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11059}}^1$

素因数の和:11199

約数の個数: 24

約数和(自身を含む): 61316640

約数和(自身を除く): 32342060

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 11059, 22118, 44236, 55295, 110590, 221180, 1448729, 2897458, 5794916, 7243645, 14487290, 28974580]

約数ペア:

[(1, 28974580), (2, 14487290), (4, 7243645), (5, 5794916), (10, 2897458), (20, 1448729), (131, 221180), (262, 110590), (524, 55295), (655, 44236), (1310, 22118), (2620, 11059)]