1969327760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{572479}}^1$

素因数の和:572535

約数の個数: 40

約数和(自身を含む): 4685176320

約数和(自身を除く): 2715848560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 572479, 1144958, 2289916, 2862395, 4579832, 5724790, 9159664, 11449580, 22899160, 24616597, 45798320, 49233194, 98466388, 123082985, 196932776, 246165970, 393865552, 492331940, 984663880, 1969327760]

約数ペア:

[(1, 1969327760), (2, 984663880), (4, 492331940), (5, 393865552), (8, 246165970), (10, 196932776), (16, 123082985), (20, 98466388), (40, 49233194), (43, 45798320), (80, 24616597), (86, 22899160), (172, 11449580), (215, 9159664), (344, 5724790), (430, 4579832), (688, 2862395), (860, 2289916), (1720, 1144958), (3440, 572479)]