209218040

素因数分解:

$2^3\times 5^1\times {\mathrm{859}}^1\times {\mathrm{6089}}^1$

素因数の和:6959

約数の個数: 32

約数和(自身を含む): 471366000

約数和(自身を除く): 262147960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 859, 1718, 3436, 4295, 6089, 6872, 8590, 12178, 17180, 24356, 30445, 34360, 48712, 60890, 121780, 243560, 5230451, 10460902, 20921804, 26152255, 41843608, 52304510, 104609020, 209218040]

約数ペア:

[(1, 209218040), (2, 104609020), (4, 52304510), (5, 41843608), (8, 26152255), (10, 20921804), (20, 10460902), (40, 5230451), (859, 243560), (1718, 121780), (3436, 60890), (4295, 48712), (6089, 34360), (6872, 30445), (8590, 24356), (12178, 17180)]