87591520

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28813}}^1$

素因数の和:28847

約数の個数: 48

約数和(自身を含む): 217833840

約数和(自身を除く): 130242320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 28813, 57626, 115252, 144065, 230504, 288130, 461008, 547447, 576260, 922016, 1094894, 1152520, 2189788, 2305040, 2737235, 4379576, 4610080, 5474470, 8759152, 10948940, 17518304, 21897880, 43795760, 87591520]

約数ペア:

[(1, 87591520), (2, 43795760), (4, 21897880), (5, 17518304), (8, 10948940), (10, 8759152), (16, 5474470), (19, 4610080), (20, 4379576), (32, 2737235), (38, 2305040), (40, 2189788), (76, 1152520), (80, 1094894), (95, 922016), (152, 576260), (160, 547447), (190, 461008), (304, 288130), (380, 230504), (608, 144065), (760, 115252), (1520, 57626), (3040, 28813)]