1009930625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2069}}^1$

素因数の和:2171

約数の個数: 40

約数和(自身を含む): 1396802880

約数和(自身を除く): 386872255

約数列:

[1, 5, 11, 25, 55, 71, 125, 275, 355, 625, 781, 1375, 1775, 2069, 3905, 6875, 8875, 10345, 19525, 22759, 44375, 51725, 97625, 113795, 146899, 258625, 488125, 568975, 734495, 1293125, 1615889, 2844875, 3672475, 8079445, 14224375, 18362375, 40397225, 91811875, 201986125, 1009930625]

約数ペア:

[(1, 1009930625), (5, 201986125), (11, 91811875), (25, 40397225), (55, 18362375), (71, 14224375), (125, 8079445), (275, 3672475), (355, 2844875), (625, 1615889), (781, 1293125), (1375, 734495), (1775, 568975), (2069, 488125), (3905, 258625), (6875, 146899), (8875, 113795), (10345, 97625), (19525, 51725), (22759, 44375)]