40786480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 109260864

約数和(自身を除く): 68474384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 346, 421, 560, 692, 842, 865, 1211, 1384, 1684, 1730, 2105, 2422, 2768, 2947, 3368, 3460, 4210, 4844, 5894, 6055, 6736, 6920, 8420, 9688, 11788, 12110, 13840, 14735, 16840, 19376, 23576, 24220, 29470, 33680, 47152, 48440, 58940, 72833, 96880, 117880, 145666, 235760, 291332, 364165, 509831, 582664, 728330, 1019662, 1165328, 1456660, 2039324, 2549155, 2913320, 4078648, 5098310, 5826640, 8157296, 10196620, 20393240, 40786480]

約数ペア:

[(1, 40786480), (2, 20393240), (4, 10196620), (5, 8157296), (7, 5826640), (8, 5098310), (10, 4078648), (14, 2913320), (16, 2549155), (20, 2039324), (28, 1456660), (35, 1165328), (40, 1019662), (56, 728330), (70, 582664), (80, 509831), (112, 364165), (140, 291332), (173, 235760), (280, 145666), (346, 117880), (421, 96880), (560, 72833), (692, 58940), (842, 48440), (865, 47152), (1211, 33680), (1384, 29470), (1684, 24220), (1730, 23576), (2105, 19376), (2422, 16840), (2768, 14735), (2947, 13840), (3368, 12110), (3460, 11788), (4210, 9688), (4844, 8420), (5894, 6920), (6055, 6736)]