202129240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{117517}}^1$

素因数の和:117571

約数の個数: 32

約数和(自身を含む): 465371280

約数和(自身を除く): 263242040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 117517, 235034, 470068, 587585, 940136, 1175170, 2350340, 4700680, 5053231, 10106462, 20212924, 25266155, 40425848, 50532310, 101064620, 202129240]

約数ペア:

[(1, 202129240), (2, 101064620), (4, 50532310), (5, 40425848), (8, 25266155), (10, 20212924), (20, 10106462), (40, 5053231), (43, 4700680), (86, 2350340), (172, 1175170), (215, 940136), (344, 587585), (430, 470068), (860, 235034), (1720, 117517)]