67564720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20599}}^1$

素因数の和:20653

約数の個数: 40

約数和(自身を含む): 160927200

約数和(自身を除く): 93362480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 20599, 41198, 82396, 102995, 164792, 205990, 329584, 411980, 823960, 844559, 1647920, 1689118, 3378236, 4222795, 6756472, 8445590, 13512944, 16891180, 33782360, 67564720]

約数ペア:

[(1, 67564720), (2, 33782360), (4, 16891180), (5, 13512944), (8, 8445590), (10, 6756472), (16, 4222795), (20, 3378236), (40, 1689118), (41, 1647920), (80, 844559), (82, 823960), (164, 411980), (205, 329584), (328, 205990), (410, 164792), (656, 102995), (820, 82396), (1640, 41198), (3280, 20599)]