4031440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 11213568

約数和(自身を除く): 7182128

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, 313, 322, 368, 460, 560, 626, 644, 805, 920, 1252, 1288, 1565, 1610, 1840, 2191, 2504, 2576, 3130, 3220, 4382, 5008, 6260, 6440, 7199, 8764, 10955, 12520, 12880, 14398, 17528, 21910, 25040, 28796, 35056, 35995, 43820, 50393, 57592, 71990, 87640, 100786, 115184, 143980, 175280, 201572, 251965, 287960, 403144, 503930, 575920, 806288, 1007860, 2015720, 4031440]

約数ペア:

[(1, 4031440), (2, 2015720), (4, 1007860), (5, 806288), (7, 575920), (8, 503930), (10, 403144), (14, 287960), (16, 251965), (20, 201572), (23, 175280), (28, 143980), (35, 115184), (40, 100786), (46, 87640), (56, 71990), (70, 57592), (80, 50393), (92, 43820), (112, 35995), (115, 35056), (140, 28796), (161, 25040), (184, 21910), (230, 17528), (280, 14398), (313, 12880), (322, 12520), (368, 10955), (460, 8764), (560, 7199), (626, 6440), (644, 6260), (805, 5008), (920, 4382), (1252, 3220), (1288, 3130), (1565, 2576), (1610, 2504), (1840, 2191)]