40018706

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 78575616

約数和(自身を除く): 38556910

約数列:

[1, 2, 7, 13, 14, 26, 31, 41, 62, 82, 91, 173, 182, 217, 287, 346, 403, 434, 533, 574, 806, 1066, 1211, 1271, 2249, 2422, 2542, 2821, 3731, 4498, 5363, 5642, 7093, 7462, 8897, 10726, 14186, 15743, 16523, 17794, 31486, 33046, 37541, 49651, 69719, 75082, 92209, 99302, 115661, 139438, 184418, 219883, 231322, 439766, 488033, 645463, 976066, 1290926, 1539181, 2858479, 3078362, 5716958, 20009353, 40018706]

約数ペア:

[(1, 40018706), (2, 20009353), (7, 5716958), (13, 3078362), (14, 2858479), (26, 1539181), (31, 1290926), (41, 976066), (62, 645463), (82, 488033), (91, 439766), (173, 231322), (182, 219883), (217, 184418), (287, 139438), (346, 115661), (403, 99302), (434, 92209), (533, 75082), (574, 69719), (806, 49651), (1066, 37541), (1211, 33046), (1271, 31486), (2249, 17794), (2422, 16523), (2542, 15743), (2821, 14186), (3731, 10726), (4498, 8897), (5363, 7462), (5642, 7093)]