26671640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 64683360

約数和(自身を除く): 38011720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 643, 680, 1037, 1220, 1286, 2074, 2440, 2572, 3215, 4148, 5144, 5185, 6430, 8296, 10370, 10931, 12860, 20740, 21862, 25720, 39223, 41480, 43724, 54655, 78446, 87448, 109310, 156892, 196115, 218620, 313784, 392230, 437240, 666791, 784460, 1333582, 1568920, 2667164, 3333955, 5334328, 6667910, 13335820, 26671640]

約数ペア:

[(1, 26671640), (2, 13335820), (4, 6667910), (5, 5334328), (8, 3333955), (10, 2667164), (17, 1568920), (20, 1333582), (34, 784460), (40, 666791), (61, 437240), (68, 392230), (85, 313784), (122, 218620), (136, 196115), (170, 156892), (244, 109310), (305, 87448), (340, 78446), (488, 54655), (610, 43724), (643, 41480), (680, 39223), (1037, 25720), (1220, 21862), (1286, 20740), (2074, 12860), (2440, 10931), (2572, 10370), (3215, 8296), (4148, 6430), (5144, 5185)]