64665520

素因数分解:

$2^4\times 5^1\times {\mathrm{859}}^1\times {\mathrm{941}}^1$

素因数の和:1813

約数の個数: 40

約数和(自身を含む): 150682320

約数和(自身を除く): 86016800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 859, 941, 1718, 1882, 3436, 3764, 4295, 4705, 6872, 7528, 8590, 9410, 13744, 15056, 17180, 18820, 34360, 37640, 68720, 75280, 808319, 1616638, 3233276, 4041595, 6466552, 8083190, 12933104, 16166380, 32332760, 64665520]

約数ペア:

[(1, 64665520), (2, 32332760), (4, 16166380), (5, 12933104), (8, 8083190), (10, 6466552), (16, 4041595), (20, 3233276), (40, 1616638), (80, 808319), (859, 75280), (941, 68720), (1718, 37640), (1882, 34360), (3436, 18820), (3764, 17180), (4295, 15056), (4705, 13744), (6872, 9410), (7528, 8590)]