40415180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155443}}^1$

素因数の和:155465

約数の個数: 24

約数和(自身を含む): 91401072

約数和(自身を除く): 50985892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155443, 310886, 621772, 777215, 1554430, 2020759, 3108860, 4041518, 8083036, 10103795, 20207590, 40415180]

約数ペア:

[(1, 40415180), (2, 20207590), (4, 10103795), (5, 8083036), (10, 4041518), (13, 3108860), (20, 2020759), (26, 1554430), (52, 777215), (65, 621772), (130, 310886), (260, 155443)]