80550820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1259}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 193898880

約数和(自身を除く): 113348060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 914, 1259, 1828, 2285, 2518, 3199, 4570, 5036, 6295, 6398, 8813, 9140, 12590, 12796, 15995, 17626, 25180, 31990, 35252, 44065, 63980, 88130, 176260, 575363, 1150726, 2301452, 2876815, 4027541, 5753630, 8055082, 11507260, 16110164, 20137705, 40275410, 80550820]

約数ペア:

[(1, 80550820), (2, 40275410), (4, 20137705), (5, 16110164), (7, 11507260), (10, 8055082), (14, 5753630), (20, 4027541), (28, 2876815), (35, 2301452), (70, 1150726), (140, 575363), (457, 176260), (914, 88130), (1259, 63980), (1828, 44065), (2285, 35252), (2518, 31990), (3199, 25180), (4570, 17626), (5036, 15995), (6295, 12796), (6398, 12590), (8813, 9140)]