213408040

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{6359}}^1$

素因数の和:7209

約数の個数: 32

約数和(自身を含む): 480816000

約数和(自身を除く): 267407960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1678, 3356, 4195, 6359, 6712, 8390, 12718, 16780, 25436, 31795, 33560, 50872, 63590, 127180, 254360, 5335201, 10670402, 21340804, 26676005, 42681608, 53352010, 106704020, 213408040]

約数ペア:

[(1, 213408040), (2, 106704020), (4, 53352010), (5, 42681608), (8, 26676005), (10, 21340804), (20, 10670402), (40, 5335201), (839, 254360), (1678, 127180), (3356, 63590), (4195, 50872), (6359, 33560), (6712, 31795), (8390, 25436), (12718, 16780)]