80081120

素因数分解:

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

素因数の和:712

約数の個数: 96

約数和(自身を含む): 218308608

約数和(自身を除く): 138227488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 127, 140, 160, 224, 254, 280, 508, 560, 563, 635, 889, 1016, 1120, 1126, 1270, 1778, 2032, 2252, 2540, 2815, 3556, 3941, 4064, 4445, 4504, 5080, 5630, 7112, 7882, 8890, 9008, 10160, 11260, 14224, 15764, 17780, 18016, 19705, 20320, 22520, 28448, 31528, 35560, 39410, 45040, 63056, 71120, 71501, 78820, 90080, 126112, 142240, 143002, 157640, 286004, 315280, 357505, 500507, 572008, 630560, 715010, 1001014, 1144016, 1430020, 2002028, 2288032, 2502535, 2860040, 4004056, 5005070, 5720080, 8008112, 10010140, 11440160, 16016224, 20020280, 40040560, 80081120]

約数ペア:

[(1, 80081120), (2, 40040560), (4, 20020280), (5, 16016224), (7, 11440160), (8, 10010140), (10, 8008112), (14, 5720080), (16, 5005070), (20, 4004056), (28, 2860040), (32, 2502535), (35, 2288032), (40, 2002028), (56, 1430020), (70, 1144016), (80, 1001014), (112, 715010), (127, 630560), (140, 572008), (160, 500507), (224, 357505), (254, 315280), (280, 286004), (508, 157640), (560, 143002), (563, 142240), (635, 126112), (889, 90080), (1016, 78820), (1120, 71501), (1126, 71120), (1270, 63056), (1778, 45040), (2032, 39410), (2252, 35560), (2540, 31528), (2815, 28448), (3556, 22520), (3941, 20320), (4064, 19705), (4445, 18016), (4504, 17780), (5080, 15764), (5630, 14224), (7112, 11260), (7882, 10160), (8890, 9008)]