64758860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 140174496

約数和(自身を除く): 75415636

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 257, 293, 430, 514, 586, 860, 1028, 1172, 1285, 1465, 2570, 2930, 5140, 5860, 11051, 12599, 22102, 25198, 44204, 50396, 55255, 62995, 75301, 110510, 125990, 150602, 221020, 251980, 301204, 376505, 753010, 1506020, 3237943, 6475886, 12951772, 16189715, 32379430, 64758860]

約数ペア:

[(1, 64758860), (2, 32379430), (4, 16189715), (5, 12951772), (10, 6475886), (20, 3237943), (43, 1506020), (86, 753010), (172, 376505), (215, 301204), (257, 251980), (293, 221020), (430, 150602), (514, 125990), (586, 110510), (860, 75301), (1028, 62995), (1172, 55255), (1285, 50396), (1465, 44204), (2570, 25198), (2930, 22102), (5140, 12599), (5860, 11051)]