87956740

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{683}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 190294272

約数和(自身を除く): 102337532

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 137, 188, 235, 274, 470, 548, 683, 685, 940, 1366, 1370, 2732, 2740, 3415, 6439, 6830, 12878, 13660, 25756, 32101, 32195, 64202, 64390, 93571, 128404, 128780, 160505, 187142, 321010, 374284, 467855, 642020, 935710, 1871420, 4397837, 8795674, 17591348, 21989185, 43978370, 87956740]

約数ペア:

[(1, 87956740), (2, 43978370), (4, 21989185), (5, 17591348), (10, 8795674), (20, 4397837), (47, 1871420), (94, 935710), (137, 642020), (188, 467855), (235, 374284), (274, 321010), (470, 187142), (548, 160505), (683, 128780), (685, 128404), (940, 93571), (1366, 64390), (1370, 64202), (2732, 32195), (2740, 32101), (3415, 25756), (6439, 13660), (6830, 12878)]