201640240

素因数分解:

$2^4\times 5^1\times {\mathrm{2520503}}^1$

素因数の和:2520516

約数の個数: 20

約数和(自身を含む): 468813744

約数和(自身を除く): 267173504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520503, 5041006, 10082012, 12602515, 20164024, 25205030, 40328048, 50410060, 100820120, 201640240]

約数ペア:

[(1, 201640240), (2, 100820120), (4, 50410060), (5, 40328048), (8, 25205030), (10, 20164024), (16, 12602515), (20, 10082012), (40, 5041006), (80, 2520503)]