40888961560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{51283}}^1$

素因数の和:51968

約数の個数: 64

約数和(自身を含む): 95117460480

約数和(自身を除く): 54228498920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 643, 1240, 1286, 2572, 3215, 5144, 6430, 12860, 19933, 25720, 39866, 51283, 79732, 99665, 102566, 159464, 199330, 205132, 256415, 398660, 410264, 512830, 797320, 1025660, 1589773, 2051320, 3179546, 6359092, 7948865, 12718184, 15897730, 31795460, 32974969, 63590920, 65949938, 131899876, 164874845, 263799752, 329749690, 659499380, 1022224039, 1318998760, 2044448078, 4088896156, 5111120195, 8177792312, 10222240390, 20444480780, 40888961560]

約数ペア:

[(1, 40888961560), (2, 20444480780), (4, 10222240390), (5, 8177792312), (8, 5111120195), (10, 4088896156), (20, 2044448078), (31, 1318998760), (40, 1022224039), (62, 659499380), (124, 329749690), (155, 263799752), (248, 164874845), (310, 131899876), (620, 65949938), (643, 63590920), (1240, 32974969), (1286, 31795460), (2572, 15897730), (3215, 12718184), (5144, 7948865), (6430, 6359092), (12860, 3179546), (19933, 2051320), (25720, 1589773), (39866, 1025660), (51283, 797320), (79732, 512830), (99665, 410264), (102566, 398660), (159464, 256415), (199330, 205132)]