40721436

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:871

約数の個数: 72

約数和(自身を含む): 118262144

約数和(自身を除く): 77540708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 283, 566, 571, 849, 1132, 1142, 1698, 1713, 1981, 2284, 2547, 3396, 3426, 3962, 3997, 5094, 5139, 5943, 6852, 7924, 7994, 10188, 10278, 11886, 11991, 15988, 17829, 20556, 23772, 23982, 35658, 35973, 47964, 71316, 71946, 143892, 161593, 323186, 484779, 646372, 969558, 1131151, 1454337, 1939116, 2262302, 2908674, 3393453, 4524604, 5817348, 6786906, 10180359, 13573812, 20360718, 40721436]

約数ペア:

[(1, 40721436), (2, 20360718), (3, 13573812), (4, 10180359), (6, 6786906), (7, 5817348), (9, 4524604), (12, 3393453), (14, 2908674), (18, 2262302), (21, 1939116), (28, 1454337), (36, 1131151), (42, 969558), (63, 646372), (84, 484779), (126, 323186), (252, 161593), (283, 143892), (566, 71946), (571, 71316), (849, 47964), (1132, 35973), (1142, 35658), (1698, 23982), (1713, 23772), (1981, 20556), (2284, 17829), (2547, 15988), (3396, 11991), (3426, 11886), (3962, 10278), (3997, 10188), (5094, 7994), (5139, 7924), (5943, 6852)]