65203480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 151683840

約数和(自身を除く): 86480360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 167, 172, 215, 227, 334, 344, 430, 454, 668, 835, 860, 908, 1135, 1336, 1670, 1720, 1816, 2270, 3340, 4540, 6680, 7181, 9080, 9761, 14362, 19522, 28724, 35905, 37909, 39044, 48805, 57448, 71810, 75818, 78088, 97610, 143620, 151636, 189545, 195220, 287240, 303272, 379090, 390440, 758180, 1516360, 1630087, 3260174, 6520348, 8150435, 13040696, 16300870, 32601740, 65203480]

約数ペア:

[(1, 65203480), (2, 32601740), (4, 16300870), (5, 13040696), (8, 8150435), (10, 6520348), (20, 3260174), (40, 1630087), (43, 1516360), (86, 758180), (167, 390440), (172, 379090), (215, 303272), (227, 287240), (334, 195220), (344, 189545), (430, 151636), (454, 143620), (668, 97610), (835, 78088), (860, 75818), (908, 71810), (1135, 57448), (1336, 48805), (1670, 39044), (1720, 37909), (1816, 35905), (2270, 28724), (3340, 19522), (4540, 14362), (6680, 9761), (7181, 9080)]