16830940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5227}}^1$

素因数の和:5266

約数の個数: 48

約数和(自身を含む): 42158592

約数和(自身を除く): 25327652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5227, 10454, 20908, 26135, 36589, 52270, 73178, 104540, 120221, 146356, 182945, 240442, 365890, 480884, 601105, 731780, 841547, 1202210, 1683094, 2404420, 3366188, 4207735, 8415470, 16830940]

約数ペア:

[(1, 16830940), (2, 8415470), (4, 4207735), (5, 3366188), (7, 2404420), (10, 1683094), (14, 1202210), (20, 841547), (23, 731780), (28, 601105), (35, 480884), (46, 365890), (70, 240442), (92, 182945), (115, 146356), (140, 120221), (161, 104540), (230, 73178), (322, 52270), (460, 36589), (644, 26135), (805, 20908), (1610, 10454), (3220, 5227)]