40399568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 89672832

約数和(自身を除く): 49273264

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 61, 71, 88, 106, 122, 142, 176, 212, 244, 284, 424, 488, 568, 583, 671, 781, 848, 976, 1136, 1166, 1342, 1562, 2332, 2684, 3124, 3233, 3763, 4331, 4664, 5368, 6248, 6466, 7526, 8662, 9328, 10736, 12496, 12932, 15052, 17324, 25864, 30104, 34648, 35563, 41393, 47641, 51728, 60208, 69296, 71126, 82786, 95282, 142252, 165572, 190564, 229543, 284504, 331144, 381128, 459086, 569008, 662288, 762256, 918172, 1836344, 2524973, 3672688, 5049946, 10099892, 20199784, 40399568]

約数ペア:

[(1, 40399568), (2, 20199784), (4, 10099892), (8, 5049946), (11, 3672688), (16, 2524973), (22, 1836344), (44, 918172), (53, 762256), (61, 662288), (71, 569008), (88, 459086), (106, 381128), (122, 331144), (142, 284504), (176, 229543), (212, 190564), (244, 165572), (284, 142252), (424, 95282), (488, 82786), (568, 71126), (583, 69296), (671, 60208), (781, 51728), (848, 47641), (976, 41393), (1136, 35563), (1166, 34648), (1342, 30104), (1562, 25864), (2332, 17324), (2684, 15052), (3124, 12932), (3233, 12496), (3763, 10736), (4331, 9328), (4664, 8662), (5368, 7526), (6248, 6466)]