15402980

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5879}}^1$

素因数の和:6019

約数の個数: 24

約数和(自身を含む): 32598720

約数和(自身を除く): 17195740

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 5879, 11758, 23516, 29395, 58790, 117580, 770149, 1540298, 3080596, 3850745, 7701490, 15402980]

約数ペア:

[(1, 15402980), (2, 7701490), (4, 3850745), (5, 3080596), (10, 1540298), (20, 770149), (131, 117580), (262, 58790), (524, 29395), (655, 23516), (1310, 11758), (2620, 5879)]