16961840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4327}}^1$

素因数の和:4354

約数の個数: 60

約数和(自身を含む): 45885456

約数和(自身を除く): 28923616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4327, 8654, 17308, 21635, 30289, 34616, 43270, 60578, 69232, 86540, 121156, 151445, 173080, 212023, 242312, 302890, 346160, 424046, 484624, 605780, 848092, 1060115, 1211560, 1696184, 2120230, 2423120, 3392368, 4240460, 8480920, 16961840]

約数ペア:

[(1, 16961840), (2, 8480920), (4, 4240460), (5, 3392368), (7, 2423120), (8, 2120230), (10, 1696184), (14, 1211560), (16, 1060115), (20, 848092), (28, 605780), (35, 484624), (40, 424046), (49, 346160), (56, 302890), (70, 242312), (80, 212023), (98, 173080), (112, 151445), (140, 121156), (196, 86540), (245, 69232), (280, 60578), (392, 43270), (490, 34616), (560, 30289), (784, 21635), (980, 17308), (1960, 8654), (3920, 4327)]