27812540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{773}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 67096512

約数和(自身を除く): 39283972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 773, 1028, 1285, 1546, 1799, 2570, 3092, 3598, 3865, 5140, 5411, 7196, 7730, 8995, 10822, 15460, 17990, 21644, 27055, 35980, 54110, 108220, 198661, 397322, 794644, 993305, 1390627, 1986610, 2781254, 3973220, 5562508, 6953135, 13906270, 27812540]

約数ペア:

[(1, 27812540), (2, 13906270), (4, 6953135), (5, 5562508), (7, 3973220), (10, 2781254), (14, 1986610), (20, 1390627), (28, 993305), (35, 794644), (70, 397322), (140, 198661), (257, 108220), (514, 54110), (773, 35980), (1028, 27055), (1285, 21644), (1546, 17990), (1799, 15460), (2570, 10822), (3092, 8995), (3598, 7730), (3865, 7196), (5140, 5411)]