40000688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 96827136

約数和(自身を除く): 56826448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 83, 91, 104, 112, 166, 182, 208, 331, 332, 364, 581, 662, 664, 728, 1079, 1162, 1324, 1328, 1456, 2158, 2317, 2324, 2648, 4303, 4316, 4634, 4648, 5296, 7553, 8606, 8632, 9268, 9296, 15106, 17212, 17264, 18536, 27473, 30121, 30212, 34424, 37072, 54946, 60242, 60424, 68848, 109892, 120484, 120848, 192311, 219784, 240968, 357149, 384622, 439568, 481936, 714298, 769244, 1428596, 1538488, 2500043, 2857192, 3076976, 5000086, 5714384, 10000172, 20000344, 40000688]

約数ペア:

[(1, 40000688), (2, 20000344), (4, 10000172), (7, 5714384), (8, 5000086), (13, 3076976), (14, 2857192), (16, 2500043), (26, 1538488), (28, 1428596), (52, 769244), (56, 714298), (83, 481936), (91, 439568), (104, 384622), (112, 357149), (166, 240968), (182, 219784), (208, 192311), (331, 120848), (332, 120484), (364, 109892), (581, 68848), (662, 60424), (664, 60242), (728, 54946), (1079, 37072), (1162, 34424), (1324, 30212), (1328, 30121), (1456, 27473), (2158, 18536), (2317, 17264), (2324, 17212), (2648, 15106), (4303, 9296), (4316, 9268), (4634, 8632), (4648, 8606), (5296, 7553)]