40319344

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:115

約数の個数: 80

約数和(自身を含む): 89716480

約数和(自身を除く): 49397136

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 37, 52, 62, 74, 104, 124, 148, 169, 208, 248, 296, 338, 403, 481, 496, 592, 676, 806, 962, 1147, 1352, 1612, 1924, 2197, 2294, 2704, 3224, 3848, 4394, 4588, 5239, 6253, 6448, 7696, 8788, 9176, 10478, 12506, 14911, 17576, 18352, 20956, 25012, 29822, 35152, 41912, 50024, 59644, 68107, 81289, 83824, 100048, 119288, 136214, 162578, 193843, 238576, 272428, 325156, 387686, 544856, 650312, 775372, 1089712, 1300624, 1550744, 2519959, 3101488, 5039918, 10079836, 20159672, 40319344]

約数ペア:

[(1, 40319344), (2, 20159672), (4, 10079836), (8, 5039918), (13, 3101488), (16, 2519959), (26, 1550744), (31, 1300624), (37, 1089712), (52, 775372), (62, 650312), (74, 544856), (104, 387686), (124, 325156), (148, 272428), (169, 238576), (208, 193843), (248, 162578), (296, 136214), (338, 119288), (403, 100048), (481, 83824), (496, 81289), (592, 68107), (676, 59644), (806, 50024), (962, 41912), (1147, 35152), (1352, 29822), (1612, 25012), (1924, 20956), (2197, 18352), (2294, 17576), (2704, 14911), (3224, 12506), (3848, 10478), (4394, 9176), (4588, 8788), (5239, 7696), (6253, 6448)]