71687840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{64007}}^1$

素因数の和:64029

約数の個数: 48

約数和(自身を含む): 193560192

約数和(自身を除く): 121872352

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, 64007, 128014, 256028, 320035, 448049, 512056, 640070, 896098, 1024112, 1280140, 1792196, 2048224, 2240245, 2560280, 3584392, 4480490, 5120560, 7168784, 8960980, 10241120, 14337568, 17921960, 35843920, 71687840]

約数ペア:

[(1, 71687840), (2, 35843920), (4, 17921960), (5, 14337568), (7, 10241120), (8, 8960980), (10, 7168784), (14, 5120560), (16, 4480490), (20, 3584392), (28, 2560280), (32, 2240245), (35, 2048224), (40, 1792196), (56, 1280140), (70, 1024112), (80, 896098), (112, 640070), (140, 512056), (160, 448049), (224, 320035), (280, 256028), (560, 128014), (1120, 64007)]