1330854640

素因数分解:

$2^4\times 5^1\times {\mathrm{16635683}}^1$

素因数の和:16635696

約数の個数: 20

約数和(自身を含む): 3094237224

約数和(自身を除く): 1763382584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16635683, 33271366, 66542732, 83178415, 133085464, 166356830, 266170928, 332713660, 665427320, 1330854640]

約数ペア:

[(1, 1330854640), (2, 665427320), (4, 332713660), (5, 266170928), (8, 166356830), (10, 133085464), (16, 83178415), (20, 66542732), (40, 33271366), (80, 16635683)]