40018464

素因数分解:

$2^5\times 3^2\times {\mathrm{283}}^1\times {\mathrm{491}}^1$

素因数の和:790

約数の個数: 72

約数和(自身を含む): 114437232

約数和(自身を除く): 74418768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 283, 288, 491, 566, 849, 982, 1132, 1473, 1698, 1964, 2264, 2547, 2946, 3396, 3928, 4419, 4528, 5094, 5892, 6792, 7856, 8838, 9056, 10188, 11784, 13584, 15712, 17676, 20376, 23568, 27168, 35352, 40752, 47136, 70704, 81504, 138953, 141408, 277906, 416859, 555812, 833718, 1111624, 1250577, 1667436, 2223248, 2501154, 3334872, 4446496, 5002308, 6669744, 10004616, 13339488, 20009232, 40018464]

約数ペア:

[(1, 40018464), (2, 20009232), (3, 13339488), (4, 10004616), (6, 6669744), (8, 5002308), (9, 4446496), (12, 3334872), (16, 2501154), (18, 2223248), (24, 1667436), (32, 1250577), (36, 1111624), (48, 833718), (72, 555812), (96, 416859), (144, 277906), (283, 141408), (288, 138953), (491, 81504), (566, 70704), (849, 47136), (982, 40752), (1132, 35352), (1473, 27168), (1698, 23568), (1964, 20376), (2264, 17676), (2547, 15712), (2946, 13584), (3396, 11784), (3928, 10188), (4419, 9056), (4528, 8838), (5094, 7856), (5892, 6792)]