79019920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{141107}}^1$

素因数の和:141127

約数の個数: 40

約数和(自身を含む): 209968704

約数和(自身を除く): 130948784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 141107, 282214, 564428, 705535, 987749, 1128856, 1411070, 1975498, 2257712, 2822140, 3950996, 4938745, 5644280, 7901992, 9877490, 11288560, 15803984, 19754980, 39509960, 79019920]

約数ペア:

[(1, 79019920), (2, 39509960), (4, 19754980), (5, 15803984), (7, 11288560), (8, 9877490), (10, 7901992), (14, 5644280), (16, 4938745), (20, 3950996), (28, 2822140), (35, 2257712), (40, 1975498), (56, 1411070), (70, 1128856), (80, 987749), (112, 705535), (140, 564428), (280, 282214), (560, 141107)]