40016988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 111296640

約数和(自身を除く): 71279652

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 139, 198, 278, 396, 417, 556, 727, 834, 1251, 1454, 1529, 1668, 2181, 2502, 2908, 3058, 4362, 4587, 5004, 6116, 6543, 7997, 8724, 9174, 13086, 13761, 15994, 18348, 23991, 26172, 27522, 31988, 47982, 55044, 71973, 95964, 101053, 143946, 202106, 287892, 303159, 404212, 606318, 909477, 1111583, 1212636, 1818954, 2223166, 3334749, 3637908, 4446332, 6669498, 10004247, 13338996, 20008494, 40016988]

約数ペア:

[(1, 40016988), (2, 20008494), (3, 13338996), (4, 10004247), (6, 6669498), (9, 4446332), (11, 3637908), (12, 3334749), (18, 2223166), (22, 1818954), (33, 1212636), (36, 1111583), (44, 909477), (66, 606318), (99, 404212), (132, 303159), (139, 287892), (198, 202106), (278, 143946), (396, 101053), (417, 95964), (556, 71973), (727, 55044), (834, 47982), (1251, 31988), (1454, 27522), (1529, 26172), (1668, 23991), (2181, 18348), (2502, 15994), (2908, 13761), (3058, 13086), (4362, 9174), (4587, 8724), (5004, 7997), (6116, 6543)]