66592640

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1639

約数の個数: 64

約数和(自身を含む): 161678160

約数和(自身を除く): 95085520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 1553, 2144, 2680, 3106, 4288, 5360, 6212, 7765, 8576, 10720, 12424, 15530, 21440, 24848, 31060, 42880, 49696, 62120, 99392, 104051, 124240, 198784, 208102, 248480, 416204, 496960, 520255, 832408, 993920, 1040510, 1664816, 2081020, 3329632, 4162040, 6659264, 8324080, 13318528, 16648160, 33296320, 66592640]

約数ペア:

[(1, 66592640), (2, 33296320), (4, 16648160), (5, 13318528), (8, 8324080), (10, 6659264), (16, 4162040), (20, 3329632), (32, 2081020), (40, 1664816), (64, 1040510), (67, 993920), (80, 832408), (128, 520255), (134, 496960), (160, 416204), (268, 248480), (320, 208102), (335, 198784), (536, 124240), (640, 104051), (670, 99392), (1072, 62120), (1340, 49696), (1553, 42880), (2144, 31060), (2680, 24848), (3106, 21440), (4288, 15530), (5360, 12424), (6212, 10720), (7765, 8576)]