261065240

素因数分解:

$2^3\times 5^1\times {\mathrm{1117}}^1\times {\mathrm{5843}}^1$

素因数の和:6971

約数の個数: 32

約数和(自身を含む): 588023280

約数和(自身を除く): 326958040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1117, 2234, 4468, 5585, 5843, 8936, 11170, 11686, 22340, 23372, 29215, 44680, 46744, 58430, 116860, 233720, 6526631, 13053262, 26106524, 32633155, 52213048, 65266310, 130532620, 261065240]

約数ペア:

[(1, 261065240), (2, 130532620), (4, 65266310), (5, 52213048), (8, 32633155), (10, 26106524), (20, 13053262), (40, 6526631), (1117, 233720), (2234, 116860), (4468, 58430), (5585, 46744), (5843, 44680), (8936, 29215), (11170, 23372), (11686, 22340)]