8049887960

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{403301}}^1$

素因数の和:403811

約数の個数: 32

約数和(自身を含む): 18148590000

約数和(自身を除く): 10098702040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4990, 9980, 19960, 403301, 806602, 1613204, 2016505, 3226408, 4033010, 8066020, 16132040, 201247199, 402494398, 804988796, 1006235995, 1609977592, 2012471990, 4024943980, 8049887960]

約数ペア:

[(1, 8049887960), (2, 4024943980), (4, 2012471990), (5, 1609977592), (8, 1006235995), (10, 804988796), (20, 402494398), (40, 201247199), (499, 16132040), (998, 8066020), (1996, 4033010), (2495, 3226408), (3992, 2016505), (4990, 1613204), (9980, 806602), (19960, 403301)]