39992015

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 60056640

約数和(自身を除く): 20064625

約数列:

[1, 5, 7, 29, 31, 35, 41, 145, 155, 203, 205, 217, 287, 899, 961, 1015, 1085, 1189, 1271, 1435, 4495, 4805, 5945, 6293, 6355, 6727, 8323, 8897, 27869, 31465, 33635, 36859, 39401, 41615, 44485, 139345, 184295, 195083, 197005, 258013, 275807, 975415, 1142629, 1290065, 1379035, 5713145, 7998403, 39992015]

約数ペア:

[(1, 39992015), (5, 7998403), (7, 5713145), (29, 1379035), (31, 1290065), (35, 1142629), (41, 975415), (145, 275807), (155, 258013), (203, 197005), (205, 195083), (217, 184295), (287, 139345), (899, 44485), (961, 41615), (1015, 39401), (1085, 36859), (1189, 33635), (1271, 31465), (1435, 27869), (4495, 8897), (4805, 8323), (5945, 6727), (6293, 6355)]