208065920

素因数分解:

$2^7\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2153}}^1$

素因数の和:2323

約数の個数: 64

約数和(自身を含む): 500934240

約数和(自身を除く): 292868320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 302, 320, 604, 640, 755, 1208, 1510, 2153, 2416, 3020, 4306, 4832, 6040, 8612, 9664, 10765, 12080, 17224, 19328, 21530, 24160, 34448, 43060, 48320, 68896, 86120, 96640, 137792, 172240, 275584, 325103, 344480, 650206, 688960, 1300412, 1377920, 1625515, 2600824, 3251030, 5201648, 6502060, 10403296, 13004120, 20806592, 26008240, 41613184, 52016480, 104032960, 208065920]

約数ペア:

[(1, 208065920), (2, 104032960), (4, 52016480), (5, 41613184), (8, 26008240), (10, 20806592), (16, 13004120), (20, 10403296), (32, 6502060), (40, 5201648), (64, 3251030), (80, 2600824), (128, 1625515), (151, 1377920), (160, 1300412), (302, 688960), (320, 650206), (604, 344480), (640, 325103), (755, 275584), (1208, 172240), (1510, 137792), (2153, 96640), (2416, 86120), (3020, 68896), (4306, 48320), (4832, 43060), (6040, 34448), (8612, 24160), (9664, 21530), (10765, 19328), (12080, 17224)]