28361440

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10427}}^1$

素因数の和:10459

約数の個数: 48

約数和(自身を含む): 70952112

約数和(自身を除く): 42590672

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 10427, 20854, 41708, 52135, 83416, 104270, 166832, 177259, 208540, 333664, 354518, 417080, 709036, 834160, 886295, 1418072, 1668320, 1772590, 2836144, 3545180, 5672288, 7090360, 14180720, 28361440]

約数ペア:

[(1, 28361440), (2, 14180720), (4, 7090360), (5, 5672288), (8, 3545180), (10, 2836144), (16, 1772590), (17, 1668320), (20, 1418072), (32, 886295), (34, 834160), (40, 709036), (68, 417080), (80, 354518), (85, 333664), (136, 208540), (160, 177259), (170, 166832), (272, 104270), (340, 83416), (544, 52135), (680, 41708), (1360, 20854), (2720, 10427)]