15720650

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 32328288

約数和(自身を除く): 16607638

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 110, 202, 275, 283, 505, 550, 566, 1010, 1111, 1415, 2222, 2525, 2830, 3113, 5050, 5555, 6226, 7075, 11110, 14150, 15565, 27775, 28583, 31130, 55550, 57166, 77825, 142915, 155650, 285830, 314413, 628826, 714575, 1429150, 1572065, 3144130, 7860325, 15720650]

約数ペア:

[(1, 15720650), (2, 7860325), (5, 3144130), (10, 1572065), (11, 1429150), (22, 714575), (25, 628826), (50, 314413), (55, 285830), (101, 155650), (110, 142915), (202, 77825), (275, 57166), (283, 55550), (505, 31130), (550, 28583), (566, 27775), (1010, 15565), (1111, 14150), (1415, 11110), (2222, 7075), (2525, 6226), (2830, 5555), (3113, 5050)]