40040560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:710

約数の個数: 80

約数和(自身を含む): 107421696

約数和(自身を除く): 67381136

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 563, 635, 889, 1016, 1126, 1270, 1778, 2032, 2252, 2540, 2815, 3556, 3941, 4445, 4504, 5080, 5630, 7112, 7882, 8890, 9008, 10160, 11260, 14224, 15764, 17780, 19705, 22520, 31528, 35560, 39410, 45040, 63056, 71120, 71501, 78820, 143002, 157640, 286004, 315280, 357505, 500507, 572008, 715010, 1001014, 1144016, 1430020, 2002028, 2502535, 2860040, 4004056, 5005070, 5720080, 8008112, 10010140, 20020280, 40040560]

約数ペア:

[(1, 40040560), (2, 20020280), (4, 10010140), (5, 8008112), (7, 5720080), (8, 5005070), (10, 4004056), (14, 2860040), (16, 2502535), (20, 2002028), (28, 1430020), (35, 1144016), (40, 1001014), (56, 715010), (70, 572008), (80, 500507), (112, 357505), (127, 315280), (140, 286004), (254, 157640), (280, 143002), (508, 78820), (560, 71501), (563, 71120), (635, 63056), (889, 45040), (1016, 39410), (1126, 35560), (1270, 31528), (1778, 22520), (2032, 19705), (2252, 17780), (2540, 15764), (2815, 14224), (3556, 11260), (3941, 10160), (4445, 9008), (4504, 8890), (5080, 7882), (5630, 7112)]