42551720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{14983}}^1$

素因数の和:15065

約数の個数: 32

約数和(自身を含む): 97096320

約数和(自身を除く): 54544600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 14983, 29966, 59932, 74915, 119864, 149830, 299660, 599320, 1063793, 2127586, 4255172, 5318965, 8510344, 10637930, 21275860, 42551720]

約数ペア:

[(1, 42551720), (2, 21275860), (4, 10637930), (5, 8510344), (8, 5318965), (10, 4255172), (20, 2127586), (40, 1063793), (71, 599320), (142, 299660), (284, 149830), (355, 119864), (568, 74915), (710, 59932), (1420, 29966), (2840, 14983)]