85881280

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15787}}^1$

素因数の和:15821

約数の個数: 56

約数和(自身を含む): 216548208

約数和(自身を除く): 130666928

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 5440, 15787, 31574, 63148, 78935, 126296, 157870, 252592, 268379, 315740, 505184, 536758, 631480, 1010368, 1073516, 1262960, 1341895, 2147032, 2525920, 2683790, 4294064, 5051840, 5367580, 8588128, 10735160, 17176256, 21470320, 42940640, 85881280]

約数ペア:

[(1, 85881280), (2, 42940640), (4, 21470320), (5, 17176256), (8, 10735160), (10, 8588128), (16, 5367580), (17, 5051840), (20, 4294064), (32, 2683790), (34, 2525920), (40, 2147032), (64, 1341895), (68, 1262960), (80, 1073516), (85, 1010368), (136, 631480), (160, 536758), (170, 505184), (272, 315740), (320, 268379), (340, 252592), (544, 157870), (680, 126296), (1088, 78935), (1360, 63148), (2720, 31574), (5440, 15787)]