80836160

素因数分解:

$2^6\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1609}}^1$

素因数の和:1783

約数の個数: 56

約数和(自身を含む): 193837560

約数和(自身を除く): 113001400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 157, 160, 314, 320, 628, 785, 1256, 1570, 1609, 2512, 3140, 3218, 5024, 6280, 6436, 8045, 10048, 12560, 12872, 16090, 25120, 25744, 32180, 50240, 51488, 64360, 102976, 128720, 252613, 257440, 505226, 514880, 1010452, 1263065, 2020904, 2526130, 4041808, 5052260, 8083616, 10104520, 16167232, 20209040, 40418080, 80836160]

約数ペア:

[(1, 80836160), (2, 40418080), (4, 20209040), (5, 16167232), (8, 10104520), (10, 8083616), (16, 5052260), (20, 4041808), (32, 2526130), (40, 2020904), (64, 1263065), (80, 1010452), (157, 514880), (160, 505226), (314, 257440), (320, 252613), (628, 128720), (785, 102976), (1256, 64360), (1570, 51488), (1609, 50240), (2512, 32180), (3140, 25744), (3218, 25120), (5024, 16090), (6280, 12872), (6436, 12560), (8045, 10048)]