2648576720

素因数分解:

$2^4\times 5^1\times {\mathrm{2659}}^1\times {\mathrm{12451}}^1$

素因数の和:15123

約数の個数: 40

約数和(自身を含む): 6160751520

約数和(自身を除く): 3512174800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2659, 5318, 10636, 12451, 13295, 21272, 24902, 26590, 42544, 49804, 53180, 62255, 99608, 106360, 124510, 199216, 212720, 249020, 498040, 996080, 33107209, 66214418, 132428836, 165536045, 264857672, 331072090, 529715344, 662144180, 1324288360, 2648576720]

約数ペア:

[(1, 2648576720), (2, 1324288360), (4, 662144180), (5, 529715344), (8, 331072090), (10, 264857672), (16, 165536045), (20, 132428836), (40, 66214418), (80, 33107209), (2659, 996080), (5318, 498040), (10636, 249020), (12451, 212720), (13295, 199216), (21272, 124510), (24902, 106360), (26590, 99608), (42544, 62255), (49804, 53180)]