216610040

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{10639}}^1$

素因数の和:11159

約数の個数: 32

約数和(自身を含む): 488376000

約数和(自身を除く): 271765960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 10639, 20360, 21278, 42556, 53195, 85112, 106390, 212780, 425560, 5415251, 10830502, 21661004, 27076255, 43322008, 54152510, 108305020, 216610040]

約数ペア:

[(1, 216610040), (2, 108305020), (4, 54152510), (5, 43322008), (8, 27076255), (10, 21661004), (20, 10830502), (40, 5415251), (509, 425560), (1018, 212780), (2036, 106390), (2545, 85112), (4072, 53195), (5090, 42556), (10180, 21278), (10639, 20360)]