13003520

素因数分解:

$2^8\times 5^1\times {\mathrm{10159}}^1$

素因数の和:10180

約数の個数: 36

約数和(自身を含む): 31150560

約数和(自身を除く): 18147040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10159, 20318, 40636, 50795, 81272, 101590, 162544, 203180, 325088, 406360, 650176, 812720, 1300352, 1625440, 2600704, 3250880, 6501760, 13003520]

約数ペア:

[(1, 13003520), (2, 6501760), (4, 3250880), (5, 2600704), (8, 1625440), (10, 1300352), (16, 812720), (20, 650176), (32, 406360), (40, 325088), (64, 203180), (80, 162544), (128, 101590), (160, 81272), (256, 50795), (320, 40636), (640, 20318), (1280, 10159)]