26271980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 41465620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 41, 46, 70, 82, 92, 115, 140, 161, 164, 199, 205, 230, 287, 322, 398, 410, 460, 574, 644, 796, 805, 820, 943, 995, 1148, 1393, 1435, 1610, 1886, 1990, 2786, 2870, 3220, 3772, 3980, 4577, 4715, 5572, 5740, 6601, 6965, 8159, 9154, 9430, 13202, 13930, 16318, 18308, 18860, 22885, 26404, 27860, 32039, 32636, 33005, 40795, 45770, 57113, 64078, 66010, 81590, 91540, 114226, 128156, 132020, 160195, 163180, 187657, 228452, 285565, 320390, 375314, 571130, 640780, 750628, 938285, 1142260, 1313599, 1876570, 2627198, 3753140, 5254396, 6567995, 13135990, 26271980]

約数ペア:

[(1, 26271980), (2, 13135990), (4, 6567995), (5, 5254396), (7, 3753140), (10, 2627198), (14, 1876570), (20, 1313599), (23, 1142260), (28, 938285), (35, 750628), (41, 640780), (46, 571130), (70, 375314), (82, 320390), (92, 285565), (115, 228452), (140, 187657), (161, 163180), (164, 160195), (199, 132020), (205, 128156), (230, 114226), (287, 91540), (322, 81590), (398, 66010), (410, 64078), (460, 57113), (574, 45770), (644, 40795), (796, 33005), (805, 32636), (820, 32039), (943, 27860), (995, 26404), (1148, 22885), (1393, 18860), (1435, 18308), (1610, 16318), (1886, 13930), (1990, 13202), (2786, 9430), (2870, 9154), (3220, 8159), (3772, 6965), (3980, 6601), (4577, 5740), (4715, 5572)]