2018103520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293329}}^1$

素因数の和:293387

約数の個数: 48

約数和(自身を含む): 4878664560

約数和(自身を除く): 2860561040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 293329, 586658, 1173316, 1466645, 2346632, 2933290, 4693264, 5866580, 9386528, 11733160, 12613147, 23466320, 25226294, 46932640, 50452588, 63065735, 100905176, 126131470, 201810352, 252262940, 403620704, 504525880, 1009051760, 2018103520]

約数ペア:

[(1, 2018103520), (2, 1009051760), (4, 504525880), (5, 403620704), (8, 252262940), (10, 201810352), (16, 126131470), (20, 100905176), (32, 63065735), (40, 50452588), (43, 46932640), (80, 25226294), (86, 23466320), (160, 12613147), (172, 11733160), (215, 9386528), (344, 5866580), (430, 4693264), (688, 2933290), (860, 2346632), (1376, 1466645), (1720, 1173316), (3440, 586658), (6880, 293329)]