201609680

素因数分解:

$2^4\times 5^1\times {\mathrm{2520121}}^1$

素因数の和:2520134

約数の個数: 20

約数和(自身を含む): 468742692

約数和(自身を除く): 267133012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2520121, 5040242, 10080484, 12600605, 20160968, 25201210, 40321936, 50402420, 100804840, 201609680]

約数ペア:

[(1, 201609680), (2, 100804840), (4, 50402420), (5, 40321936), (8, 25201210), (10, 20160968), (16, 12600605), (20, 10080484), (40, 5040242), (80, 2520121)]