56101220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{400723}}^1$

素因数の和:400739

約数の個数: 24

約数和(自身を含む): 134643264

約数和(自身を除く): 78542044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 400723, 801446, 1602892, 2003615, 2805061, 4007230, 5610122, 8014460, 11220244, 14025305, 28050610, 56101220]

約数ペア:

[(1, 56101220), (2, 28050610), (4, 14025305), (5, 11220244), (7, 8014460), (10, 5610122), (14, 4007230), (20, 2805061), (28, 2003615), (35, 1602892), (70, 801446), (140, 400723)]