124417760

素因数分解:

$2^5\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1999}}^1$

素因数の和:2403

約数の個数: 48

約数和(自身を含む): 294840000

約数和(自身を除く): 170422240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 389, 778, 1556, 1945, 1999, 3112, 3890, 3998, 6224, 7780, 7996, 9995, 12448, 15560, 15992, 19990, 31120, 31984, 39980, 62240, 63968, 79960, 159920, 319840, 777611, 1555222, 3110444, 3888055, 6220888, 7776110, 12441776, 15552220, 24883552, 31104440, 62208880, 124417760]

約数ペア:

[(1, 124417760), (2, 62208880), (4, 31104440), (5, 24883552), (8, 15552220), (10, 12441776), (16, 7776110), (20, 6220888), (32, 3888055), (40, 3110444), (80, 1555222), (160, 777611), (389, 319840), (778, 159920), (1556, 79960), (1945, 63968), (1999, 62240), (3112, 39980), (3890, 31984), (3998, 31120), (6224, 19990), (7780, 15992), (7996, 15560), (9995, 12448)]