23520880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 57371328

約数和(自身を除く): 33850448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 71, 80, 82, 101, 142, 164, 202, 205, 284, 328, 355, 404, 410, 505, 568, 656, 710, 808, 820, 1010, 1136, 1420, 1616, 1640, 2020, 2840, 2911, 3280, 4040, 4141, 5680, 5822, 7171, 8080, 8282, 11644, 14342, 14555, 16564, 20705, 23288, 28684, 29110, 33128, 35855, 41410, 46576, 57368, 58220, 66256, 71710, 82820, 114736, 116440, 143420, 165640, 232880, 286840, 294011, 331280, 573680, 588022, 1176044, 1470055, 2352088, 2940110, 4704176, 5880220, 11760440, 23520880]

約数ペア:

[(1, 23520880), (2, 11760440), (4, 5880220), (5, 4704176), (8, 2940110), (10, 2352088), (16, 1470055), (20, 1176044), (40, 588022), (41, 573680), (71, 331280), (80, 294011), (82, 286840), (101, 232880), (142, 165640), (164, 143420), (202, 116440), (205, 114736), (284, 82820), (328, 71710), (355, 66256), (404, 58220), (410, 57368), (505, 46576), (568, 41410), (656, 35855), (710, 33128), (808, 29110), (820, 28684), (1010, 23288), (1136, 20705), (1420, 16564), (1616, 14555), (1640, 14342), (2020, 11644), (2840, 8282), (2911, 8080), (3280, 7171), (4040, 5822), (4141, 5680)]