55819280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:624

約数の個数: 80

約数和(自身を含む): 142919424

約数和(自身を除く): 87100144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 137, 176, 220, 274, 440, 463, 548, 685, 880, 926, 1096, 1370, 1507, 1852, 2192, 2315, 2740, 3014, 3704, 4630, 5093, 5480, 6028, 7408, 7535, 9260, 10186, 10960, 12056, 15070, 18520, 20372, 24112, 25465, 30140, 37040, 40744, 50930, 60280, 63431, 81488, 101860, 120560, 126862, 203720, 253724, 317155, 407440, 507448, 634310, 697741, 1014896, 1268620, 1395482, 2537240, 2790964, 3488705, 5074480, 5581928, 6977410, 11163856, 13954820, 27909640, 55819280]

約数ペア:

[(1, 55819280), (2, 27909640), (4, 13954820), (5, 11163856), (8, 6977410), (10, 5581928), (11, 5074480), (16, 3488705), (20, 2790964), (22, 2537240), (40, 1395482), (44, 1268620), (55, 1014896), (80, 697741), (88, 634310), (110, 507448), (137, 407440), (176, 317155), (220, 253724), (274, 203720), (440, 126862), (463, 120560), (548, 101860), (685, 81488), (880, 63431), (926, 60280), (1096, 50930), (1370, 40744), (1507, 37040), (1852, 30140), (2192, 25465), (2315, 24112), (2740, 20372), (3014, 18520), (3704, 15070), (4630, 12056), (5093, 10960), (5480, 10186), (6028, 9260), (7408, 7535)]