80145560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 96

約数和(自身を含む): 205405200

約数和(自身を除く): 125259640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 121, 145, 220, 232, 242, 290, 319, 440, 484, 571, 580, 605, 638, 968, 1142, 1160, 1210, 1276, 1595, 2284, 2420, 2552, 2855, 3190, 3509, 4568, 4840, 5710, 6281, 6380, 7018, 11420, 12562, 12760, 14036, 16559, 17545, 22840, 25124, 28072, 31405, 33118, 35090, 50248, 62810, 66236, 69091, 70180, 82795, 125620, 132472, 138182, 140360, 165590, 182149, 251240, 276364, 331180, 345455, 364298, 552728, 662360, 690910, 728596, 910745, 1381820, 1457192, 1821490, 2003639, 2763640, 3642980, 4007278, 7285960, 8014556, 10018195, 16029112, 20036390, 40072780, 80145560]

約数ペア:

[(1, 80145560), (2, 40072780), (4, 20036390), (5, 16029112), (8, 10018195), (10, 8014556), (11, 7285960), (20, 4007278), (22, 3642980), (29, 2763640), (40, 2003639), (44, 1821490), (55, 1457192), (58, 1381820), (88, 910745), (110, 728596), (116, 690910), (121, 662360), (145, 552728), (220, 364298), (232, 345455), (242, 331180), (290, 276364), (319, 251240), (440, 182149), (484, 165590), (571, 140360), (580, 138182), (605, 132472), (638, 125620), (968, 82795), (1142, 70180), (1160, 69091), (1210, 66236), (1276, 62810), (1595, 50248), (2284, 35090), (2420, 33118), (2552, 31405), (2855, 28072), (3190, 25124), (3509, 22840), (4568, 17545), (4840, 16559), (5710, 14036), (6281, 12760), (6380, 12562), (7018, 11420)]