205877950

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{52121}}^1$

素因数の和:52212

約数の個数: 24

約数和(自身を含む): 387787680

約数和(自身を除く): 181909730

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 395, 790, 1975, 3950, 52121, 104242, 260605, 521210, 1303025, 2606050, 4117559, 8235118, 20587795, 41175590, 102938975, 205877950]

約数ペア:

[(1, 205877950), (2, 102938975), (5, 41175590), (10, 20587795), (25, 8235118), (50, 4117559), (79, 2606050), (158, 1303025), (395, 521210), (790, 260605), (1975, 104242), (3950, 52121)]