39926360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 93139200

約数和(自身を除く): 53212840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 139, 167, 172, 215, 278, 334, 344, 430, 556, 668, 695, 835, 860, 1112, 1336, 1390, 1670, 1720, 2780, 3340, 5560, 5977, 6680, 7181, 11954, 14362, 23213, 23908, 28724, 29885, 35905, 46426, 47816, 57448, 59770, 71810, 92852, 116065, 119540, 143620, 185704, 232130, 239080, 287240, 464260, 928520, 998159, 1996318, 3992636, 4990795, 7985272, 9981590, 19963180, 39926360]

約数ペア:

[(1, 39926360), (2, 19963180), (4, 9981590), (5, 7985272), (8, 4990795), (10, 3992636), (20, 1996318), (40, 998159), (43, 928520), (86, 464260), (139, 287240), (167, 239080), (172, 232130), (215, 185704), (278, 143620), (334, 119540), (344, 116065), (430, 92852), (556, 71810), (668, 59770), (695, 57448), (835, 47816), (860, 46426), (1112, 35905), (1336, 29885), (1390, 28724), (1670, 23908), (1720, 23213), (2780, 14362), (3340, 11954), (5560, 7181), (5977, 6680)]