25734680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 60264000

約数和(自身を除く): 34529320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 199, 212, 244, 265, 305, 398, 424, 488, 530, 610, 796, 995, 1060, 1220, 1592, 1990, 2120, 2440, 3233, 3980, 6466, 7960, 10547, 12139, 12932, 16165, 21094, 24278, 25864, 32330, 42188, 48556, 52735, 60695, 64660, 84376, 97112, 105470, 121390, 129320, 210940, 242780, 421880, 485560, 643367, 1286734, 2573468, 3216835, 5146936, 6433670, 12867340, 25734680]

約数ペア:

[(1, 25734680), (2, 12867340), (4, 6433670), (5, 5146936), (8, 3216835), (10, 2573468), (20, 1286734), (40, 643367), (53, 485560), (61, 421880), (106, 242780), (122, 210940), (199, 129320), (212, 121390), (244, 105470), (265, 97112), (305, 84376), (398, 64660), (424, 60695), (488, 52735), (530, 48556), (610, 42188), (796, 32330), (995, 25864), (1060, 24278), (1220, 21094), (1592, 16165), (1990, 12932), (2120, 12139), (2440, 10547), (3233, 7960), (3980, 6466)]