40049820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{222499}}^1$

素因数の和:222514

約数の個数: 36

約数和(自身を含む): 121485000

約数和(自身を除く): 81435180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 222499, 444998, 667497, 889996, 1112495, 1334994, 2002491, 2224990, 2669988, 3337485, 4004982, 4449980, 6674970, 8009964, 10012455, 13349940, 20024910, 40049820]

約数ペア:

[(1, 40049820), (2, 20024910), (3, 13349940), (4, 10012455), (5, 8009964), (6, 6674970), (9, 4449980), (10, 4004982), (12, 3337485), (15, 2669988), (18, 2224990), (20, 2002491), (30, 1334994), (36, 1112495), (45, 889996), (60, 667497), (90, 444998), (180, 222499)]