54991250

素因数分解:

$2^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 112182840

約数和(自身を除く): 57191590

約数列:

[1, 2, 5, 10, 25, 29, 37, 41, 50, 58, 74, 82, 125, 145, 185, 205, 250, 290, 370, 410, 625, 725, 925, 1025, 1073, 1189, 1250, 1450, 1517, 1850, 2050, 2146, 2378, 3034, 3625, 4625, 5125, 5365, 5945, 7250, 7585, 9250, 10250, 10730, 11890, 15170, 18125, 23125, 25625, 26825, 29725, 36250, 37925, 43993, 46250, 51250, 53650, 59450, 75850, 87986, 134125, 148625, 189625, 219965, 268250, 297250, 379250, 439930, 670625, 743125, 948125, 1099825, 1341250, 1486250, 1896250, 2199650, 5499125, 10998250, 27495625, 54991250]

約数ペア:

[(1, 54991250), (2, 27495625), (5, 10998250), (10, 5499125), (25, 2199650), (29, 1896250), (37, 1486250), (41, 1341250), (50, 1099825), (58, 948125), (74, 743125), (82, 670625), (125, 439930), (145, 379250), (185, 297250), (205, 268250), (250, 219965), (290, 189625), (370, 148625), (410, 134125), (625, 87986), (725, 75850), (925, 59450), (1025, 53650), (1073, 51250), (1189, 46250), (1250, 43993), (1450, 37925), (1517, 36250), (1850, 29725), (2050, 26825), (2146, 25625), (2378, 23125), (3034, 18125), (3625, 15170), (4625, 11890), (5125, 10730), (5365, 10250), (5945, 9250), (7250, 7585)]