28496420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83813}}^1$

素因数の和:83839

約数の個数: 24

約数和(自身を含む): 63363384

約数和(自身を除く): 34866964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 83813, 167626, 335252, 419065, 838130, 1424821, 1676260, 2849642, 5699284, 7124105, 14248210, 28496420]

約数ペア:

[(1, 28496420), (2, 14248210), (4, 7124105), (5, 5699284), (10, 2849642), (17, 1676260), (20, 1424821), (34, 838130), (68, 419065), (85, 335252), (170, 167626), (340, 83813)]