81714080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72959}}^1$

素因数の和:72981

約数の個数: 48

約数和(自身を含む): 220631040

約数和(自身を除く): 138916960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72959, 145918, 291836, 364795, 510713, 583672, 729590, 1021426, 1167344, 1459180, 2042852, 2334688, 2553565, 2918360, 4085704, 5107130, 5836720, 8171408, 10214260, 11673440, 16342816, 20428520, 40857040, 81714080]

約数ペア:

[(1, 81714080), (2, 40857040), (4, 20428520), (5, 16342816), (7, 11673440), (8, 10214260), (10, 8171408), (14, 5836720), (16, 5107130), (20, 4085704), (28, 2918360), (32, 2553565), (35, 2334688), (40, 2042852), (56, 1459180), (70, 1167344), (80, 1021426), (112, 729590), (140, 583672), (160, 510713), (224, 364795), (280, 291836), (560, 145918), (1120, 72959)]