55040815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 74416320

約数和(自身を除く): 19375505

約数列:

[1, 5, 17, 19, 85, 95, 173, 197, 323, 865, 985, 1615, 2941, 3287, 3349, 3743, 14705, 16435, 16745, 18715, 34081, 55879, 63631, 170405, 279395, 318155, 579377, 647539, 2896885, 3237695, 11008163, 55040815]

約数ペア:

[(1, 55040815), (5, 11008163), (17, 3237695), (19, 2896885), (85, 647539), (95, 579377), (173, 318155), (197, 279395), (323, 170405), (865, 63631), (985, 55879), (1615, 34081), (2941, 18715), (3287, 16745), (3349, 16435), (3743, 14705)]