40201280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:292

約数の個数: 112

約数和(自身を含む): 111044736

約数和(自身を除く): 70843456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 131, 137, 140, 160, 224, 262, 274, 280, 320, 448, 524, 548, 560, 655, 685, 917, 959, 1048, 1096, 1120, 1310, 1370, 1834, 1918, 2096, 2192, 2240, 2620, 2740, 3668, 3836, 4192, 4384, 4585, 4795, 5240, 5480, 7336, 7672, 8384, 8768, 9170, 9590, 10480, 10960, 14672, 15344, 17947, 18340, 19180, 20960, 21920, 29344, 30688, 35894, 36680, 38360, 41920, 43840, 58688, 61376, 71788, 73360, 76720, 89735, 125629, 143576, 146720, 153440, 179470, 251258, 287152, 293440, 306880, 358940, 502516, 574304, 628145, 717880, 1005032, 1148608, 1256290, 1435760, 2010064, 2512580, 2871520, 4020128, 5025160, 5743040, 8040256, 10050320, 20100640, 40201280]

約数ペア:

[(1, 40201280), (2, 20100640), (4, 10050320), (5, 8040256), (7, 5743040), (8, 5025160), (10, 4020128), (14, 2871520), (16, 2512580), (20, 2010064), (28, 1435760), (32, 1256290), (35, 1148608), (40, 1005032), (56, 717880), (64, 628145), (70, 574304), (80, 502516), (112, 358940), (131, 306880), (137, 293440), (140, 287152), (160, 251258), (224, 179470), (262, 153440), (274, 146720), (280, 143576), (320, 125629), (448, 89735), (524, 76720), (548, 73360), (560, 71788), (655, 61376), (685, 58688), (917, 43840), (959, 41920), (1048, 38360), (1096, 36680), (1120, 35894), (1310, 30688), (1370, 29344), (1834, 21920), (1918, 20960), (2096, 19180), (2192, 18340), (2240, 17947), (2620, 15344), (2740, 14672), (3668, 10960), (3836, 10480), (4192, 9590), (4384, 9170), (4585, 8768), (4795, 8384), (5240, 7672), (5480, 7336)]