9000040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{32143}}^1$

素因数の和:32161

約数の個数: 32

約数和(自身を含む): 23143680

約数和(自身を除く): 14143640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 32143, 64286, 128572, 160715, 225001, 257144, 321430, 450002, 642860, 900004, 1125005, 1285720, 1800008, 2250010, 4500020, 9000040]

約数ペア:

[(1, 9000040), (2, 4500020), (4, 2250010), (5, 1800008), (7, 1285720), (8, 1125005), (10, 900004), (14, 642860), (20, 450002), (28, 321430), (35, 257144), (40, 225001), (56, 160715), (70, 128572), (140, 64286), (280, 32143)]