7499920

素因数分解:

$2^4\times 5^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 17554680

約数和(自身を除く): 10054760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 241, 389, 482, 778, 964, 1205, 1556, 1928, 1945, 2410, 3112, 3856, 3890, 4820, 6224, 7780, 9640, 15560, 19280, 31120, 93749, 187498, 374996, 468745, 749992, 937490, 1499984, 1874980, 3749960, 7499920]

約数ペア:

[(1, 7499920), (2, 3749960), (4, 1874980), (5, 1499984), (8, 937490), (10, 749992), (16, 468745), (20, 374996), (40, 187498), (80, 93749), (241, 31120), (389, 19280), (482, 15560), (778, 9640), (964, 7780), (1205, 6224), (1556, 4820), (1928, 3890), (1945, 3856), (2410, 3112)]