55476020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 120149568

約数和(自身を除く): 64673548

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 251, 257, 430, 502, 514, 860, 1004, 1028, 1255, 1285, 2510, 2570, 5020, 5140, 10793, 11051, 21586, 22102, 43172, 44204, 53965, 55255, 64507, 107930, 110510, 129014, 215860, 221020, 258028, 322535, 645070, 1290140, 2773801, 5547602, 11095204, 13869005, 27738010, 55476020]

約数ペア:

[(1, 55476020), (2, 27738010), (4, 13869005), (5, 11095204), (10, 5547602), (20, 2773801), (43, 1290140), (86, 645070), (172, 322535), (215, 258028), (251, 221020), (257, 215860), (430, 129014), (502, 110510), (514, 107930), (860, 64507), (1004, 55255), (1028, 53965), (1255, 44204), (1285, 43172), (2510, 22102), (2570, 21586), (5020, 11051), (5140, 10793)]