40744912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 89994240

約数和(自身を除く): 49249328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 71, 89, 104, 124, 142, 178, 208, 248, 284, 356, 403, 496, 568, 712, 806, 923, 1136, 1157, 1424, 1612, 1846, 2201, 2314, 2759, 3224, 3692, 4402, 4628, 5518, 6319, 6448, 7384, 8804, 9256, 11036, 12638, 14768, 17608, 18512, 22072, 25276, 28613, 35216, 35867, 44144, 50552, 57226, 71734, 82147, 101104, 114452, 143468, 164294, 195889, 228904, 286936, 328588, 391778, 457808, 573872, 657176, 783556, 1314352, 1567112, 2546557, 3134224, 5093114, 10186228, 20372456, 40744912]

約数ペア:

[(1, 40744912), (2, 20372456), (4, 10186228), (8, 5093114), (13, 3134224), (16, 2546557), (26, 1567112), (31, 1314352), (52, 783556), (62, 657176), (71, 573872), (89, 457808), (104, 391778), (124, 328588), (142, 286936), (178, 228904), (208, 195889), (248, 164294), (284, 143468), (356, 114452), (403, 101104), (496, 82147), (568, 71734), (712, 57226), (806, 50552), (923, 44144), (1136, 35867), (1157, 35216), (1424, 28613), (1612, 25276), (1846, 22072), (2201, 18512), (2314, 17608), (2759, 14768), (3224, 12638), (3692, 11036), (4402, 9256), (4628, 8804), (5518, 7384), (6319, 6448)]