40739440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3163}}^1$

素因数の和:3206

約数の個数: 80

約数和(自身を含む): 112992768

約数和(自身を除く): 72253328

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, 1288, 1610, 1840, 2576, 3163, 3220, 6326, 6440, 12652, 12880, 15815, 22141, 25304, 31630, 44282, 50608, 63260, 72749, 88564, 110705, 126520, 145498, 177128, 221410, 253040, 290996, 354256, 363745, 442820, 509243, 581992, 727490, 885640, 1018486, 1163984, 1454980, 1771280, 2036972, 2546215, 2909960, 4073944, 5092430, 5819920, 8147888, 10184860, 20369720, 40739440]

約数ペア:

[(1, 40739440), (2, 20369720), (4, 10184860), (5, 8147888), (7, 5819920), (8, 5092430), (10, 4073944), (14, 2909960), (16, 2546215), (20, 2036972), (23, 1771280), (28, 1454980), (35, 1163984), (40, 1018486), (46, 885640), (56, 727490), (70, 581992), (80, 509243), (92, 442820), (112, 363745), (115, 354256), (140, 290996), (161, 253040), (184, 221410), (230, 177128), (280, 145498), (322, 126520), (368, 110705), (460, 88564), (560, 72749), (644, 63260), (805, 50608), (920, 44282), (1288, 31630), (1610, 25304), (1840, 22141), (2576, 15815), (3163, 12880), (3220, 12652), (6326, 6440)]