40641440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{277}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 110968704

約数和(自身を除く): 70327264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 131, 140, 160, 224, 262, 277, 280, 524, 554, 560, 655, 917, 1048, 1108, 1120, 1310, 1385, 1834, 1939, 2096, 2216, 2620, 2770, 3668, 3878, 4192, 4432, 4585, 5240, 5540, 7336, 7756, 8864, 9170, 9695, 10480, 11080, 14672, 15512, 18340, 19390, 20960, 22160, 29344, 31024, 36287, 36680, 38780, 44320, 62048, 72574, 73360, 77560, 145148, 146720, 155120, 181435, 254009, 290296, 310240, 362870, 508018, 580592, 725740, 1016036, 1161184, 1270045, 1451480, 2032072, 2540090, 2902960, 4064144, 5080180, 5805920, 8128288, 10160360, 20320720, 40641440]

約数ペア:

[(1, 40641440), (2, 20320720), (4, 10160360), (5, 8128288), (7, 5805920), (8, 5080180), (10, 4064144), (14, 2902960), (16, 2540090), (20, 2032072), (28, 1451480), (32, 1270045), (35, 1161184), (40, 1016036), (56, 725740), (70, 580592), (80, 508018), (112, 362870), (131, 310240), (140, 290296), (160, 254009), (224, 181435), (262, 155120), (277, 146720), (280, 145148), (524, 77560), (554, 73360), (560, 72574), (655, 62048), (917, 44320), (1048, 38780), (1108, 36680), (1120, 36287), (1310, 31024), (1385, 29344), (1834, 22160), (1939, 20960), (2096, 19390), (2216, 18340), (2620, 15512), (2770, 14672), (3668, 11080), (3878, 10480), (4192, 9695), (4432, 9170), (4585, 8864), (5240, 7756), (5540, 7336)]