211672209680

素因数分解:

$2^4\times 5^1\times {\mathrm{2645902621}}^1$

素因数の和:2645902634

約数の個数: 20

約数和(自身を含む): 492137887692

約数和(自身を除く): 280465678012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2645902621, 5291805242, 10583610484, 13229513105, 21167220968, 26459026210, 42334441936, 52918052420, 105836104840, 211672209680]

約数ペア:

[(1, 211672209680), (2, 105836104840), (4, 52918052420), (5, 42334441936), (8, 26459026210), (10, 21167220968), (16, 13229513105), (20, 10583610484), (40, 5291805242), (80, 2645902621)]