16249220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{62497}}^1$

素因数の和:62519

約数の個数: 24

約数和(自身を含む): 36748824

約数和(自身を除く): 20499604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 62497, 124994, 249988, 312485, 624970, 812461, 1249940, 1624922, 3249844, 4062305, 8124610, 16249220]

約数ペア:

[(1, 16249220), (2, 8124610), (4, 4062305), (5, 3249844), (10, 1624922), (13, 1249940), (20, 812461), (26, 624970), (52, 312485), (65, 249988), (130, 124994), (260, 62497)]