13961440

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1229}}^1$

素因数の和:1315

約数の個数: 48

約数和(自身を含む): 33475680

約数和(自身を除く): 19514240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1229, 1420, 2272, 2458, 2840, 4916, 5680, 6145, 9832, 11360, 12290, 19664, 24580, 39328, 49160, 87259, 98320, 174518, 196640, 349036, 436295, 698072, 872590, 1396144, 1745180, 2792288, 3490360, 6980720, 13961440]

約数ペア:

[(1, 13961440), (2, 6980720), (4, 3490360), (5, 2792288), (8, 1745180), (10, 1396144), (16, 872590), (20, 698072), (32, 436295), (40, 349036), (71, 196640), (80, 174518), (142, 98320), (160, 87259), (284, 49160), (355, 39328), (568, 24580), (710, 19664), (1136, 12290), (1229, 11360), (1420, 9832), (2272, 6145), (2458, 5680), (2840, 4916)]