16866560

素因数分解:

$2^8\times 5^1\times {\mathrm{13177}}^1$

素因数の和:13198

約数の個数: 36

約数和(自身を含む): 40403748

約数和(自身を除く): 23537188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 13177, 26354, 52708, 65885, 105416, 131770, 210832, 263540, 421664, 527080, 843328, 1054160, 1686656, 2108320, 3373312, 4216640, 8433280, 16866560]

約数ペア:

[(1, 16866560), (2, 8433280), (4, 4216640), (5, 3373312), (8, 2108320), (10, 1686656), (16, 1054160), (20, 843328), (32, 527080), (40, 421664), (64, 263540), (80, 210832), (128, 131770), (160, 105416), (256, 65885), (320, 52708), (640, 26354), (1280, 13177)]