29999680

素因数分解:

$2^6\times 5^1\times {\mathrm{241}}^1\times {\mathrm{389}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 71917560

約数和(自身を除く): 41917880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 241, 320, 389, 482, 778, 964, 1205, 1556, 1928, 1945, 2410, 3112, 3856, 3890, 4820, 6224, 7712, 7780, 9640, 12448, 15424, 15560, 19280, 24896, 31120, 38560, 62240, 77120, 93749, 124480, 187498, 374996, 468745, 749992, 937490, 1499984, 1874980, 2999968, 3749960, 5999936, 7499920, 14999840, 29999680]

約数ペア:

[(1, 29999680), (2, 14999840), (4, 7499920), (5, 5999936), (8, 3749960), (10, 2999968), (16, 1874980), (20, 1499984), (32, 937490), (40, 749992), (64, 468745), (80, 374996), (160, 187498), (241, 124480), (320, 93749), (389, 77120), (482, 62240), (778, 38560), (964, 31120), (1205, 24896), (1556, 19280), (1928, 15560), (1945, 15424), (2410, 12448), (3112, 9640), (3856, 7780), (3890, 7712), (4820, 6224)]