20349250550

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1913}}^1\times {\mathrm{2693}}^1$

素因数の和:4697

約数の個数: 48

約数和(自身を含む): 38362991040

約数和(自身を除く): 18013740490

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1913, 1975, 2693, 3826, 3950, 5386, 9565, 13465, 19130, 26930, 47825, 67325, 95650, 134650, 151127, 212747, 302254, 425494, 755635, 1063735, 1511270, 2127470, 3778175, 5151709, 5318675, 7556350, 10303418, 10637350, 25758545, 51517090, 128792725, 257585450, 406985011, 813970022, 2034925055, 4069850110, 10174625275, 20349250550]

約数ペア:

[(1, 20349250550), (2, 10174625275), (5, 4069850110), (10, 2034925055), (25, 813970022), (50, 406985011), (79, 257585450), (158, 128792725), (395, 51517090), (790, 25758545), (1913, 10637350), (1975, 10303418), (2693, 7556350), (3826, 5318675), (3950, 5151709), (5386, 3778175), (9565, 2127470), (13465, 1511270), (19130, 1063735), (26930, 755635), (47825, 425494), (67325, 302254), (95650, 212747), (134650, 151127)]