42940130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{252589}}^1$

素因数の和:252613

約数の個数: 16

約数和(自身を含む): 81839160

約数和(自身を除く): 38899030

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 252589, 505178, 1262945, 2525890, 4294013, 8588026, 21470065, 42940130]

約数ペア:

[(1, 42940130), (2, 21470065), (5, 8588026), (10, 4294013), (17, 2525890), (34, 1262945), (85, 505178), (170, 252589)]