91689880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79043}}^1$

素因数の和:79083

約数の個数: 32

約数和(自身を含む): 213418800

約数和(自身を除く): 121728920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 79043, 158086, 316172, 395215, 632344, 790430, 1580860, 2292247, 3161720, 4584494, 9168988, 11461235, 18337976, 22922470, 45844940, 91689880]

約数ペア:

[(1, 91689880), (2, 45844940), (4, 22922470), (5, 18337976), (8, 11461235), (10, 9168988), (20, 4584494), (29, 3161720), (40, 2292247), (58, 1580860), (116, 790430), (145, 632344), (232, 395215), (290, 316172), (580, 158086), (1160, 79043)]