180816520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{96179}}^1$

素因数の和:96237

約数の個数: 32

約数和(自身を含む): 415497600

約数和(自身を除く): 234681080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 96179, 192358, 384716, 480895, 769432, 961790, 1923580, 3847160, 4520413, 9040826, 18081652, 22602065, 36163304, 45204130, 90408260, 180816520]

約数ペア:

[(1, 180816520), (2, 90408260), (4, 45204130), (5, 36163304), (8, 22602065), (10, 18081652), (20, 9040826), (40, 4520413), (47, 3847160), (94, 1923580), (188, 961790), (235, 769432), (376, 480895), (470, 384716), (940, 192358), (1880, 96179)]