20130485050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{197261}}^1$

素因数の和:197443

約数の個数: 48

約数和(自身を含む): 40579949592

約数和(自身を除く): 20449464542

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 157, 314, 325, 650, 785, 1570, 2041, 3925, 4082, 7850, 10205, 20410, 51025, 102050, 197261, 394522, 986305, 1972610, 2564393, 4931525, 5128786, 9863050, 12821965, 25643930, 30969977, 61939954, 64109825, 128219650, 154849885, 309699770, 402609701, 774249425, 805219402, 1548498850, 2013048505, 4026097010, 10065242525, 20130485050]

約数ペア:

[(1, 20130485050), (2, 10065242525), (5, 4026097010), (10, 2013048505), (13, 1548498850), (25, 805219402), (26, 774249425), (50, 402609701), (65, 309699770), (130, 154849885), (157, 128219650), (314, 64109825), (325, 61939954), (650, 30969977), (785, 25643930), (1570, 12821965), (2041, 9863050), (3925, 5128786), (4082, 4931525), (7850, 2564393), (10205, 1972610), (20410, 986305), (51025, 394522), (102050, 197261)]