20082593950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{643}}^1\times {\mathrm{7907}}^1$

素因数の和:8641

約数の個数: 48

約数和(自身を含む): 37890074880

約数和(自身を除く): 17807480930

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 643, 790, 1286, 1975, 3215, 3950, 6430, 7907, 15814, 16075, 32150, 39535, 50797, 79070, 101594, 197675, 253985, 395350, 507970, 624653, 1249306, 1269925, 2539850, 3123265, 5084201, 6246530, 10168402, 15616325, 25421005, 31232650, 50842010, 127105025, 254210050, 401651879, 803303758, 2008259395, 4016518790, 10041296975, 20082593950]

約数ペア:

[(1, 20082593950), (2, 10041296975), (5, 4016518790), (10, 2008259395), (25, 803303758), (50, 401651879), (79, 254210050), (158, 127105025), (395, 50842010), (643, 31232650), (790, 25421005), (1286, 15616325), (1975, 10168402), (3215, 6246530), (3950, 5084201), (6430, 3123265), (7907, 2539850), (15814, 1269925), (16075, 1249306), (32150, 624653), (39535, 507970), (50797, 395350), (79070, 253985), (101594, 197675)]