80915725

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1163}}^1$

素因数の和:1218

約数の個数: 36

約数和(自身を含む): 115180128

約数和(自身を除く): 34264403

約数列:

[1, 5, 11, 23, 25, 55, 115, 121, 253, 275, 575, 605, 1163, 1265, 2783, 3025, 5815, 6325, 12793, 13915, 26749, 29075, 63965, 69575, 133745, 140723, 294239, 319825, 668725, 703615, 1471195, 3236629, 3518075, 7355975, 16183145, 80915725]

約数ペア:

[(1, 80915725), (5, 16183145), (11, 7355975), (23, 3518075), (25, 3236629), (55, 1471195), (115, 703615), (121, 668725), (253, 319825), (275, 294239), (575, 140723), (605, 133745), (1163, 69575), (1265, 63965), (2783, 29075), (3025, 26749), (5815, 13915), (6325, 12793)]