40380015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{937}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 74154528

約数和(自身を除く): 33774513

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 507, 663, 845, 937, 1105, 2535, 2811, 2873, 3315, 4685, 8619, 12181, 14055, 14365, 15929, 36543, 43095, 47787, 60905, 79645, 158353, 182715, 207077, 238935, 475059, 621231, 791765, 1035385, 2375295, 2692001, 3106155, 8076003, 13460005, 40380015]

約数ペア:

[(1, 40380015), (3, 13460005), (5, 8076003), (13, 3106155), (15, 2692001), (17, 2375295), (39, 1035385), (51, 791765), (65, 621231), (85, 475059), (169, 238935), (195, 207077), (221, 182715), (255, 158353), (507, 79645), (663, 60905), (845, 47787), (937, 43095), (1105, 36543), (2535, 15929), (2811, 14365), (2873, 14055), (3315, 12181), (4685, 8619)]