512639560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1249}}^1$

素因数の和:1622

約数の個数: 64

約数和(自身を含む): 1195200000

約数和(自身を除く): 682560440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 331, 620, 662, 1240, 1249, 1324, 1655, 2498, 2648, 3310, 4996, 6245, 6620, 9992, 10261, 12490, 13240, 20522, 24980, 38719, 41044, 49960, 51305, 77438, 82088, 102610, 154876, 193595, 205220, 309752, 387190, 410440, 413419, 774380, 826838, 1548760, 1653676, 2067095, 3307352, 4134190, 8268380, 12815989, 16536760, 25631978, 51263956, 64079945, 102527912, 128159890, 256319780, 512639560]

約数ペア:

[(1, 512639560), (2, 256319780), (4, 128159890), (5, 102527912), (8, 64079945), (10, 51263956), (20, 25631978), (31, 16536760), (40, 12815989), (62, 8268380), (124, 4134190), (155, 3307352), (248, 2067095), (310, 1653676), (331, 1548760), (620, 826838), (662, 774380), (1240, 413419), (1249, 410440), (1324, 387190), (1655, 309752), (2498, 205220), (2648, 193595), (3310, 154876), (4996, 102610), (6245, 82088), (6620, 77438), (9992, 51305), (10261, 49960), (12490, 41044), (13240, 38719), (20522, 24980)]