16189880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 26111560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 863, 938, 1340, 1726, 1876, 2345, 2680, 3452, 3752, 4315, 4690, 6041, 6904, 8630, 9380, 12082, 17260, 18760, 24164, 30205, 34520, 48328, 57821, 60410, 115642, 120820, 231284, 241640, 289105, 404747, 462568, 578210, 809494, 1156420, 1618988, 2023735, 2312840, 3237976, 4047470, 8094940, 16189880]

約数ペア:

[(1, 16189880), (2, 8094940), (4, 4047470), (5, 3237976), (7, 2312840), (8, 2023735), (10, 1618988), (14, 1156420), (20, 809494), (28, 578210), (35, 462568), (40, 404747), (56, 289105), (67, 241640), (70, 231284), (134, 120820), (140, 115642), (268, 60410), (280, 57821), (335, 48328), (469, 34520), (536, 30205), (670, 24164), (863, 18760), (938, 17260), (1340, 12082), (1726, 9380), (1876, 8630), (2345, 6904), (2680, 6041), (3452, 4690), (3752, 4315)]