89665720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^2\times {\mathrm{283}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 204761160

約数和(自身を除く): 115095440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 283, 356, 445, 566, 712, 890, 1132, 1415, 1780, 2264, 2830, 3560, 5660, 7921, 11320, 15842, 25187, 31684, 39605, 50374, 63368, 79210, 100748, 125935, 158420, 201496, 251870, 316840, 503740, 1007480, 2241643, 4483286, 8966572, 11208215, 17933144, 22416430, 44832860, 89665720]

約数ペア:

[(1, 89665720), (2, 44832860), (4, 22416430), (5, 17933144), (8, 11208215), (10, 8966572), (20, 4483286), (40, 2241643), (89, 1007480), (178, 503740), (283, 316840), (356, 251870), (445, 201496), (566, 158420), (712, 125935), (890, 100748), (1132, 79210), (1415, 63368), (1780, 50374), (2264, 39605), (2830, 31684), (3560, 25187), (5660, 15842), (7921, 11320)]