4978384640

素因数分解:

$2^8\times 5^1\times {\mathrm{211}}^1\times {\mathrm{18433}}^1$

素因数の和:18665

約数の個数: 72

約数和(自身を含む): 11981952528

約数和(自身を除く): 7003567888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 211, 256, 320, 422, 640, 844, 1055, 1280, 1688, 2110, 3376, 4220, 6752, 8440, 13504, 16880, 18433, 27008, 33760, 36866, 54016, 67520, 73732, 92165, 135040, 147464, 184330, 270080, 294928, 368660, 589856, 737320, 1179712, 1474640, 2359424, 2949280, 3889363, 4718848, 5898560, 7778726, 11797120, 15557452, 19446815, 23594240, 31114904, 38893630, 62229808, 77787260, 124459616, 155574520, 248919232, 311149040, 497838464, 622298080, 995676928, 1244596160, 2489192320, 4978384640]

約数ペア:

[(1, 4978384640), (2, 2489192320), (4, 1244596160), (5, 995676928), (8, 622298080), (10, 497838464), (16, 311149040), (20, 248919232), (32, 155574520), (40, 124459616), (64, 77787260), (80, 62229808), (128, 38893630), (160, 31114904), (211, 23594240), (256, 19446815), (320, 15557452), (422, 11797120), (640, 7778726), (844, 5898560), (1055, 4718848), (1280, 3889363), (1688, 2949280), (2110, 2359424), (3376, 1474640), (4220, 1179712), (6752, 737320), (8440, 589856), (13504, 368660), (16880, 294928), (18433, 270080), (27008, 184330), (33760, 147464), (36866, 135040), (54016, 92165), (67520, 73732)]