40139210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 82684800

約数和(自身を除く): 42545590

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 43, 85, 86, 95, 170, 190, 215, 289, 323, 430, 578, 646, 731, 817, 1445, 1462, 1615, 1634, 2890, 3230, 3655, 4085, 4913, 5491, 7310, 8170, 9826, 10982, 12427, 13889, 24565, 24854, 27455, 27778, 49130, 54910, 62135, 69445, 93347, 124270, 138890, 186694, 211259, 236113, 422518, 466735, 472226, 933470, 1056295, 1180565, 2112590, 2361130, 4013921, 8027842, 20069605, 40139210]

約数ペア:

[(1, 40139210), (2, 20069605), (5, 8027842), (10, 4013921), (17, 2361130), (19, 2112590), (34, 1180565), (38, 1056295), (43, 933470), (85, 472226), (86, 466735), (95, 422518), (170, 236113), (190, 211259), (215, 186694), (289, 138890), (323, 124270), (430, 93347), (578, 69445), (646, 62135), (731, 54910), (817, 49130), (1445, 27778), (1462, 27455), (1615, 24854), (1634, 24565), (2890, 13889), (3230, 12427), (3655, 10982), (4085, 9826), (4913, 8170), (5491, 7310)]