16210720

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1427}}^1$

素因数の和:1513

約数の個数: 48

約数和(自身を含む): 38864448

約数和(自身を除く): 22653728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1427, 2272, 2840, 2854, 5680, 5708, 7135, 11360, 11416, 14270, 22832, 28540, 45664, 57080, 101317, 114160, 202634, 228320, 405268, 506585, 810536, 1013170, 1621072, 2026340, 3242144, 4052680, 8105360, 16210720]

約数ペア:

[(1, 16210720), (2, 8105360), (4, 4052680), (5, 3242144), (8, 2026340), (10, 1621072), (16, 1013170), (20, 810536), (32, 506585), (40, 405268), (71, 228320), (80, 202634), (142, 114160), (160, 101317), (284, 57080), (355, 45664), (568, 28540), (710, 22832), (1136, 14270), (1420, 11416), (1427, 11360), (2272, 7135), (2840, 5708), (2854, 5680)]