51215920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{91457}}^1$

素因数の和:91477

約数の個数: 40

約数和(自身を含む): 136089504

約数和(自身を除く): 84873584

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 91457, 182914, 365828, 457285, 640199, 731656, 914570, 1280398, 1463312, 1829140, 2560796, 3200995, 3658280, 5121592, 6401990, 7316560, 10243184, 12803980, 25607960, 51215920]

約数ペア:

[(1, 51215920), (2, 25607960), (4, 12803980), (5, 10243184), (7, 7316560), (8, 6401990), (10, 5121592), (14, 3658280), (16, 3200995), (20, 2560796), (28, 1829140), (35, 1463312), (40, 1280398), (56, 914570), (70, 731656), (80, 640199), (112, 457285), (140, 365828), (280, 182914), (560, 91457)]