212470040

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{63997}}^1$

素因数の和:64091

約数の個数: 32

約数和(自身を含む): 483824880

約数和(自身を除く): 271354840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 63997, 127994, 255988, 319985, 511976, 639970, 1279940, 2559880, 5311751, 10623502, 21247004, 26558755, 42494008, 53117510, 106235020, 212470040]

約数ペア:

[(1, 212470040), (2, 106235020), (4, 53117510), (5, 42494008), (8, 26558755), (10, 21247004), (20, 10623502), (40, 5311751), (83, 2559880), (166, 1279940), (332, 639970), (415, 511976), (664, 319985), (830, 255988), (1660, 127994), (3320, 63997)]