16001720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{57149}}^1$

素因数の和:57167

約数の個数: 32

約数和(自身を含む): 41148000

約数和(自身を除く): 25146280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 57149, 114298, 228596, 285745, 400043, 457192, 571490, 800086, 1142980, 1600172, 2000215, 2285960, 3200344, 4000430, 8000860, 16001720]

約数ペア:

[(1, 16001720), (2, 8000860), (4, 4000430), (5, 3200344), (7, 2285960), (8, 2000215), (10, 1600172), (14, 1142980), (20, 800086), (28, 571490), (35, 457192), (40, 400043), (56, 285745), (70, 228596), (140, 114298), (280, 57149)]