13279280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1074

約数の個数: 80

約数和(自身を含む): 36854784

約数和(自身を除く): 23575504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1031, 1288, 1610, 1840, 2062, 2576, 3220, 4124, 5155, 6440, 7217, 8248, 10310, 12880, 14434, 16496, 20620, 23713, 28868, 36085, 41240, 47426, 57736, 72170, 82480, 94852, 115472, 118565, 144340, 165991, 189704, 237130, 288680, 331982, 379408, 474260, 577360, 663964, 829955, 948520, 1327928, 1659910, 1897040, 2655856, 3319820, 6639640, 13279280]

約数ペア:

[(1, 13279280), (2, 6639640), (4, 3319820), (5, 2655856), (7, 1897040), (8, 1659910), (10, 1327928), (14, 948520), (16, 829955), (20, 663964), (23, 577360), (28, 474260), (35, 379408), (40, 331982), (46, 288680), (56, 237130), (70, 189704), (80, 165991), (92, 144340), (112, 118565), (115, 115472), (140, 94852), (161, 82480), (184, 72170), (230, 57736), (280, 47426), (322, 41240), (368, 36085), (460, 28868), (560, 23713), (644, 20620), (805, 16496), (920, 14434), (1031, 12880), (1288, 10310), (1610, 8248), (1840, 7217), (2062, 6440), (2576, 5155), (3220, 4124)]