1400013920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{514711}}^1$

素因数の和:514743

約数の個数: 48

約数和(自身を含む): 3502100448

約数和(自身を除く): 2102086528

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 514711, 1029422, 2058844, 2573555, 4117688, 5147110, 8235376, 8750087, 10294220, 16470752, 17500174, 20588440, 35000348, 41176880, 43750435, 70000696, 82353760, 87500870, 140001392, 175001740, 280002784, 350003480, 700006960, 1400013920]

約数ペア:

[(1, 1400013920), (2, 700006960), (4, 350003480), (5, 280002784), (8, 175001740), (10, 140001392), (16, 87500870), (17, 82353760), (20, 70000696), (32, 43750435), (34, 41176880), (40, 35000348), (68, 20588440), (80, 17500174), (85, 16470752), (136, 10294220), (160, 8750087), (170, 8235376), (272, 5147110), (340, 4117688), (544, 2573555), (680, 2058844), (1360, 1029422), (2720, 514711)]