99819880

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{11827}}^1$

素因数の和:12049

約数の個数: 32

約数和(自身を含む): 225678240

約数和(自身を除く): 125858360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 11827, 23654, 47308, 59135, 94616, 118270, 236540, 473080, 2495497, 4990994, 9981988, 12477485, 19963976, 24954970, 49909940, 99819880]

約数ペア:

[(1, 99819880), (2, 49909940), (4, 24954970), (5, 19963976), (8, 12477485), (10, 9981988), (20, 4990994), (40, 2495497), (211, 473080), (422, 236540), (844, 118270), (1055, 94616), (1688, 59135), (2110, 47308), (4220, 23654), (8440, 11827)]