2007466640

素因数分解:

$2^4\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{13933}}^1$

素因数の和:15747

約数の個数: 40

約数和(自身を含む): 4670286648

約数和(自身を除く): 2662820008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1801, 3602, 7204, 9005, 13933, 14408, 18010, 27866, 28816, 36020, 55732, 69665, 72040, 111464, 139330, 144080, 222928, 278660, 557320, 1114640, 25093333, 50186666, 100373332, 125466665, 200746664, 250933330, 401493328, 501866660, 1003733320, 2007466640]

約数ペア:

[(1, 2007466640), (2, 1003733320), (4, 501866660), (5, 401493328), (8, 250933330), (10, 200746664), (16, 125466665), (20, 100373332), (40, 50186666), (80, 25093333), (1801, 1114640), (3602, 557320), (7204, 278660), (9005, 222928), (13933, 144080), (14408, 139330), (18010, 111464), (27866, 72040), (28816, 69665), (36020, 55732)]