87543640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{907}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 209203200

約数和(自身を除く): 121659560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 380, 508, 635, 760, 907, 1016, 1270, 1814, 2413, 2540, 3628, 4535, 4826, 5080, 7256, 9070, 9652, 12065, 17233, 18140, 19304, 24130, 34466, 36280, 48260, 68932, 86165, 96520, 115189, 137864, 172330, 230378, 344660, 460756, 575945, 689320, 921512, 1151890, 2188591, 2303780, 4377182, 4607560, 8754364, 10942955, 17508728, 21885910, 43771820, 87543640]

約数ペア:

[(1, 87543640), (2, 43771820), (4, 21885910), (5, 17508728), (8, 10942955), (10, 8754364), (19, 4607560), (20, 4377182), (38, 2303780), (40, 2188591), (76, 1151890), (95, 921512), (127, 689320), (152, 575945), (190, 460756), (254, 344660), (380, 230378), (508, 172330), (635, 137864), (760, 115189), (907, 96520), (1016, 86165), (1270, 68932), (1814, 48260), (2413, 36280), (2540, 34466), (3628, 24130), (4535, 19304), (4826, 18140), (5080, 17233), (7256, 12065), (9070, 9652)]