40575080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 114670080

約数和(自身を除く): 74095000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 71, 91, 104, 130, 140, 142, 157, 182, 260, 280, 284, 314, 355, 364, 455, 497, 520, 568, 628, 710, 728, 785, 910, 923, 994, 1099, 1256, 1420, 1570, 1820, 1846, 1988, 2041, 2198, 2485, 2840, 3140, 3640, 3692, 3976, 4082, 4396, 4615, 4970, 5495, 6280, 6461, 7384, 8164, 8792, 9230, 9940, 10205, 10990, 11147, 12922, 14287, 16328, 18460, 19880, 20410, 21980, 22294, 25844, 28574, 32305, 36920, 40820, 43960, 44588, 51688, 55735, 57148, 64610, 71435, 78029, 81640, 89176, 111470, 114296, 129220, 142870, 144911, 156058, 222940, 258440, 285740, 289822, 312116, 390145, 445880, 571480, 579644, 624232, 724555, 780290, 1014377, 1159288, 1449110, 1560580, 2028754, 2898220, 3121160, 4057508, 5071885, 5796440, 8115016, 10143770, 20287540, 40575080]

約数ペア:

[(1, 40575080), (2, 20287540), (4, 10143770), (5, 8115016), (7, 5796440), (8, 5071885), (10, 4057508), (13, 3121160), (14, 2898220), (20, 2028754), (26, 1560580), (28, 1449110), (35, 1159288), (40, 1014377), (52, 780290), (56, 724555), (65, 624232), (70, 579644), (71, 571480), (91, 445880), (104, 390145), (130, 312116), (140, 289822), (142, 285740), (157, 258440), (182, 222940), (260, 156058), (280, 144911), (284, 142870), (314, 129220), (355, 114296), (364, 111470), (455, 89176), (497, 81640), (520, 78029), (568, 71435), (628, 64610), (710, 57148), (728, 55735), (785, 51688), (910, 44588), (923, 43960), (994, 40820), (1099, 36920), (1256, 32305), (1420, 28574), (1570, 25844), (1820, 22294), (1846, 21980), (1988, 20410), (2041, 19880), (2198, 18460), (2485, 16328), (2840, 14287), (3140, 12922), (3640, 11147), (3692, 10990), (3976, 10205), (4082, 9940), (4396, 9230), (4615, 8792), (4970, 8164), (5495, 7384), (6280, 6461)]